Source: Schema.org v30.1 vocabulary. Official track property definition.
What does track mean?
A music recording (track)—usually a single song. If an ItemList is given, the list should contain items of type MusicRecording.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status