diff --git a/drizzle/0013_mute_black_widow.sql b/drizzle/0013_mute_black_widow.sql
new file mode 100644
index 0000000..04cc07b
--- /dev/null
+++ b/drizzle/0013_mute_black_widow.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `experiment_calibration` ADD `utterance_id` text;--> statement-breakpoint
+ALTER TABLE `experiment_calibration` ADD `utterance_text` text;
\ No newline at end of file
diff --git a/drizzle/meta/0013_snapshot.json b/drizzle/meta/0013_snapshot.json
new file mode 100644
index 0000000..e43468d
--- /dev/null
+++ b/drizzle/meta/0013_snapshot.json
@@ -0,0 +1,947 @@
+{
+  "version": "6",
+  "dialect": "sqlite",
+  "id": "a27062e1-cbe8-4669-95fd-2cda4cbaf569",
+  "prevId": "dbd4c07f-82bc-4016-a950-77d7f86b6d21",
+  "tables": {
+    "annotation": {
+      "name": "annotation",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "dataset_entry_id": {
+          "name": "dataset_entry_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "experiment_id": {
+          "name": "experiment_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "rating": {
+          "name": "rating",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "dialect_label": {
+          "name": "dialect_label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        }
+      },
+      "indexes": {
+        "unique_annotation": {
+          "name": "unique_annotation",
+          "columns": [
+            "dataset_entry_id",
+            "experiment_id",
+            "user_id"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {
+        "annotation_dataset_entry_id_dataset_entry_id_fk": {
+          "name": "annotation_dataset_entry_id_dataset_entry_id_fk",
+          "tableFrom": "annotation",
+          "tableTo": "dataset_entry",
+          "columnsFrom": [
+            "dataset_entry_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        },
+        "annotation_experiment_id_experiment_id_fk": {
+          "name": "annotation_experiment_id_experiment_id_fk",
+          "tableFrom": "annotation",
+          "tableTo": "experiment",
+          "columnsFrom": [
+            "experiment_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "account": {
+      "name": "account",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "account_id": {
+          "name": "account_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "provider_id": {
+          "name": "provider_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "access_token": {
+          "name": "access_token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "refresh_token": {
+          "name": "refresh_token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "id_token": {
+          "name": "id_token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "access_token_expires_at": {
+          "name": "access_token_expires_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "refresh_token_expires_at": {
+          "name": "refresh_token_expires_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "scope": {
+          "name": "scope",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "password": {
+          "name": "password",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(cast(unixepoch('subsecond') * 1000 as integer))"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {
+        "account_userId_idx": {
+          "name": "account_userId_idx",
+          "columns": [
+            "user_id"
+          ],
+          "isUnique": false
+        }
+      },
+      "foreignKeys": {
+        "account_user_id_user_id_fk": {
+          "name": "account_user_id_user_id_fk",
+          "tableFrom": "account",
+          "tableTo": "user",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "session": {
+      "name": "session",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "token": {
+          "name": "token",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(cast(unixepoch('subsecond') * 1000 as integer))"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "ip_address": {
+          "name": "ip_address",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "user_agent": {
+          "name": "user_agent",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        }
+      },
+      "indexes": {
+        "session_token_unique": {
+          "name": "session_token_unique",
+          "columns": [
+            "token"
+          ],
+          "isUnique": true
+        },
+        "session_userId_idx": {
+          "name": "session_userId_idx",
+          "columns": [
+            "user_id"
+          ],
+          "isUnique": false
+        }
+      },
+      "foreignKeys": {
+        "session_user_id_user_id_fk": {
+          "name": "session_user_id_user_id_fk",
+          "tableFrom": "session",
+          "tableTo": "user",
+          "columnsFrom": [
+            "user_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "cascade",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "user": {
+      "name": "user",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "email": {
+          "name": "email",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "email_verified": {
+          "name": "email_verified",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "image": {
+          "name": "image",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "admin": {
+          "name": "admin",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(cast(unixepoch('subsecond') * 1000 as integer))"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(cast(unixepoch('subsecond') * 1000 as integer))"
+        }
+      },
+      "indexes": {
+        "user_email_unique": {
+          "name": "user_email_unique",
+          "columns": [
+            "email"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "verification": {
+      "name": "verification",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "text",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "identifier": {
+          "name": "identifier",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "value": {
+          "name": "value",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "expires_at": {
+          "name": "expires_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(cast(unixepoch('subsecond') * 1000 as integer))"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(cast(unixepoch('subsecond') * 1000 as integer))"
+        }
+      },
+      "indexes": {
+        "verification_identifier_idx": {
+          "name": "verification_identifier_idx",
+          "columns": [
+            "identifier"
+          ],
+          "isUnique": false
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "dataset_entry": {
+      "name": "dataset_entry",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "external_id": {
+          "name": "external_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "speaker_id": {
+          "name": "speaker_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "model_name": {
+          "name": "model_name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "utterance_id": {
+          "name": "utterance_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "utterance_text": {
+          "name": "utterance_text",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "dataset_id": {
+          "name": "dataset_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "file_name": {
+          "name": "file_name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "dialect": {
+          "name": "dialect",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "iteration": {
+          "name": "iteration",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "duration_ms": {
+          "name": "duration_ms",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "rms_value": {
+          "name": "rms_value",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "longest_pause": {
+          "name": "longest_pause",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "utmos_score": {
+          "name": "utmos_score",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "wer_score": {
+          "name": "wer_score",
+          "type": "real",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "dataset_entry_dataset_id_dataset_id_fk": {
+          "name": "dataset_entry_dataset_id_dataset_id_fk",
+          "tableFrom": "dataset_entry",
+          "tableTo": "dataset",
+          "columnsFrom": [
+            "dataset_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "dataset": {
+      "name": "dataset",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "experiment_calibration": {
+      "name": "experiment_calibration",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "experiment_id": {
+          "name": "experiment_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "dialect_label": {
+          "name": "dialect_label",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "utterance_id": {
+          "name": "utterance_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "utterance_text": {
+          "name": "utterance_text",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "order": {
+          "name": "order",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "file": {
+          "name": "file",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "experiment_calibration_experiment_id_experiment_id_fk": {
+          "name": "experiment_calibration_experiment_id_experiment_id_fk",
+          "tableFrom": "experiment_calibration",
+          "tableTo": "experiment",
+          "columnsFrom": [
+            "experiment_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "experiment": {
+      "name": "experiment",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "published": {
+          "name": "published",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "annotation_tool": {
+          "name": "annotation_tool",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "onboarding_enabled": {
+          "name": "onboarding_enabled",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "calibration_enabled": {
+          "name": "calibration_enabled",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": false
+        },
+        "dataset_id": {
+          "name": "dataset_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {
+        "experiment_dataset_id_dataset_id_fk": {
+          "name": "experiment_dataset_id_dataset_id_fk",
+          "tableFrom": "experiment",
+          "tableTo": "dataset",
+          "columnsFrom": [
+            "dataset_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    },
+    "participant": {
+      "name": "participant",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "integer",
+          "primaryKey": true,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "experiment_id": {
+          "name": "experiment_id",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "user_id": {
+          "name": "user_id",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "calibration_answers": {
+          "name": "calibration_answers",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "onboarding_answers": {
+          "name": "onboarding_answers",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "created_at": {
+          "name": "created_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        },
+        "updated_at": {
+          "name": "updated_at",
+          "type": "integer",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(unixepoch())"
+        }
+      },
+      "indexes": {
+        "unique_participant": {
+          "name": "unique_participant",
+          "columns": [
+            "experiment_id",
+            "user_id"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {
+        "participant_experiment_id_experiment_id_fk": {
+          "name": "participant_experiment_id_experiment_id_fk",
+          "tableFrom": "participant",
+          "tableTo": "experiment",
+          "columnsFrom": [
+            "experiment_id"
+          ],
+          "columnsTo": [
+            "id"
+          ],
+          "onDelete": "no action",
+          "onUpdate": "no action"
+        }
+      },
+      "compositePrimaryKeys": {},
+      "uniqueConstraints": {},
+      "checkConstraints": {}
+    }
+  },
+  "views": {},
+  "enums": {},
+  "_meta": {
+    "schemas": {},
+    "tables": {},
+    "columns": {}
+  },
+  "internal": {
+    "indexes": {}
+  }
+}
\ No newline at end of file
diff --git a/drizzle/meta/_journal.json b/drizzle/meta/_journal.json
index 2324bc0..d6f7b6d 100644
--- a/drizzle/meta/_journal.json
+++ b/drizzle/meta/_journal.json
@@ -92,6 +92,13 @@
       "when": 1775109973706,
       "tag": "0012_optimal_kabuki",
       "breakpoints": true
+    },
+    {
+      "idx": 13,
+      "version": "6",
+      "when": 1775796301988,
+      "tag": "0013_mute_black_widow",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/src/app/actions/upload.ts b/src/app/actions/upload.ts
index 48676f4..b148b02 100644
--- a/src/app/actions/upload.ts
+++ b/src/app/actions/upload.ts
@@ -361,6 +361,8 @@ export async function processCalibrationEntries(
           experimentId,
           dialectLabel: row.dialect,
           order: lineIndex + 1,
+          utteranceId: row.utterance_id,
+          utteranceText: row.utterance_text,
           file: `/calibration/${experimentId}/${filename}`,
         });
       }
diff --git a/src/components/UploadCalibrationModal.tsx b/src/components/UploadCalibrationModal.tsx
index e5e50af..944b615 100644
--- a/src/components/UploadCalibrationModal.tsx
+++ b/src/components/UploadCalibrationModal.tsx
@@ -294,7 +294,7 @@ export default function UploadCalibrationModal({
             <ul className="list-disc list-inside space-y-1 text-xs">
               <li>
                 <code className="bg-purple-100 px-1 rounded">metadata.csv</code>{' '}
-                with columns: audio_file, dialect (order is auto-generated by line count)
+                with columns: audio_file, dialect, utterance_id, utterance_text (order is auto-generated by line count)
               </li>
               <li>
                 <code className="bg-purple-100 px-1 rounded">wavs/</code> subfolder with audio files (.wav)
diff --git a/src/lib/model/experiment_calibration.ts b/src/lib/model/experiment_calibration.ts
index c6cffd5..7b2d85e 100644
--- a/src/lib/model/experiment_calibration.ts
+++ b/src/lib/model/experiment_calibration.ts
@@ -9,6 +9,8 @@ export const experiment_calibration = sqliteTable(
     experimentId: integer('experiment_id')
       .references(() => experiment.id),
     dialectLabel: text('dialect_label').notNull(), // e.g. 'ch_be', 'ch_zh', …
+    utteranceId: text('utterance_id'),
+    utteranceText: text('utterance_text'),
     order: integer('order').notNull(), // order of the calibration items
     file: text('file').notNull(), // path to the audio file for calibration
     createdAt: integer('created_at', { mode: 'timestamp' })