Track metadata

This page covers track-level metadata fields, contributor credits, and splits for DDEX import. For release-level fields, see Release metadata.

Required fields

Field	Description
Title	The track title. Multi-language supported.
ISRC	International Standard Recording Code. Format: 12 characters (`CCXXXYYNNNNN`). Must be globally unique. If blank, LabelGrid can auto-assign in eligible distribution flows.
Primary artist(s)	At least one primary artist per track.
Explicit content	Recommended: Not Explicit, Explicit, or Edited/Clean.
AI usage disclosure (audio)	Whether AI was used to create the audio: None, Some, or All.
Audio file	Preferred delivery master: lossless WAV (preferred) or FLAC. Must be stereo (2 channels) for distribution validation. Minimum duration: 30 seconds.

Field	Description
Dolby ISRC	A separate ISRC for the Dolby Atmos version. Same format as regular ISRC but must be different from the regular ISRC.
ISWC	International Standard Musical Work Code. Format: `T-NNNNNNNNN-C` (e.g., `T-335186427-8`).
Featured artist(s)	Should not overlap with primary artists or remixer.
Remixer	Should not also be a primary or featured artist. If used, provide a mix version for clear platform display.
Mix version	Recommended if a remixer is credited (e.g., “Extended Mix”, “Radio Edit”, “Acoustic Version”). For multi-language titles, provide it in each language you localize.
Primary genre	Inherits from the release if not set.
Secondary / Tertiary genre	Additional genre classification.
Audio language	Use a LabelGrid-supported language code.
Composition type	One of: `original_composition`, `cover_song`, `public_domain`.
Mechanical license	Required if composition type is Cover Song. Upload the license file.
Preview start time	Where the platform preview clip begins (in seconds).
Preview length	Duration of the preview clip. Minimum 30 seconds.
Tags / keywords	Searchable keywords for the track.
Disc number	Disc number (1-50). Defaults to 1 for single-disc releases.
Track number	Track position within the disc (1-99). Auto-assigned if not specified.
Instant gratification	Makes this track available before the full release date. Maximum 50% of tracks per release can be enabled.

Every track must have at least one contributor in each of these three categories:

If any category is missing, the release will fail validation.

Role	Description
Primary Artist / Performer	The main performing artist
Featured Artist	A guest or featured performer
Contributing Artist	Additional contributing performer
Remixer	Artist who created a remix
Artist	General artist credit
Band	A band or group
Choir	A choir or vocal ensemble
Conductor	Orchestra or ensemble conductor
DJ	Disc jockey
Ensemble	A musical ensemble
Instrumentalist	An instrumentalist performer
Vocalist	A vocalist
Narrator	A spoken-word narrator
Orchestra	An orchestra
Playback Singer	A playback singer
Primary Musician	A primary musician
Music Director	A music director
Actor	An actor
Member	A group member
Creative Director	Creative direction
Director	Film or video director
Film Editor	Film or video editor
Choreographer	Dance choreography
Costume Designer	Costume design
Graphic Artist	Graphic art
Graphic Designer	Graphic design
Photography Director	Photography direction
Stage Director	Stage direction
Storyboard Artist	Storyboard illustration
Translator	Language translation

Role	Description
Composer	Wrote the musical composition
Lyricist	Wrote the lyrics
Songwriter	Wrote both music and lyrics (Composer + Lyricist)
Arranger	Arranged the composition

Role	Description
Producer	Producer credit
Co-Producer	Co-producer
Studio Producer	Studio-based production
Engineer	General engineering
Assistant Engineer	Assistant engineering
Mixing Engineer	Audio mixing
Mastering Engineer	Audio mastering
Recording Engineer	Recording session engineering
Editing Engineer	Audio editing
Mixer	Mixing (alternative credit)
Sound Designer	Sound design
Film Producer	Film or video production
Studio Personnel	General studio personnel

One role per artist per track (best practice). Use primary/featured/remixer as mutually exclusive roles for clean metadata across platforms.
Each contributor can hold up to 3 roles on a single track.
Producer alias is supported in legacy/private flows when the Producer role is selected.
Writers must be registered in your LabelGrid account before they can be credited.

Identifier	Format	Description
IPI (Interested Parties Information)	9-11 numeric digits	Identifies songwriters and publishers in royalty collection systems.
ISNI (International Standard Name Identifier)	16 characters (15 digits + 1 check character)	Globally unique identifier for contributors. The check character can be 0-9 or X. Validated using MOD 11-2 checksum.

Each track can have multiple publishers.
Each publisher entry requires: publisher name, percentage share, and region(s).
Shares must total exactly 100% per region (or 0% if not applicable).
Use * (wildcard) for worldwide coverage.
Do not add the same publisher twice for the same region.
Publishers must be registered in your LabelGrid account.

Example: worldwide splits

Example: region-specific splits

Each region must independently total 100%.

Same structure as publishers: name, percentage share, region(s).
Same 100%-per-region rule applies.
No duplicate entries for the same region.
When no copyright owners are set, the record label is used as the default rights controller at 100%.

Each writer entry requires: writer ID, role(s), and percentage share.
Total writer shares must equal exactly 100% (with a tolerance of 0.01%).
Writers must be registered in your LabelGrid account.

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