The music_data table is single-inheritance with the discriminator column music_data_type.

All music data types are stored in the music_data table, and given the number and variety of music data types, the table has a large number of columns, although individual music data types use only a subset of the columns.

Music data records are ordered items, so all records use the ordering field. All music data items use the measure_id field, because they're all associated with a measure.

Each music data type is outlined individually on subpages of this page, showing only those fields used by that type.

Music data discriminator values are:

• note
• backup
• forward
• direction
• attributes
• harmony
• figured bass
• print
• sound
• listening
• barline
• grouping
• link
• bookmark