An Attributes music data type record is stored in the music_data table with a discriminator value of attributes.

The one-to-one part symbol association is stored in the part_symbol with the foreign key part_symbol_id in the music_data table.

One-to-many associations store lists of attributes subelements of the same type, each in their own table having the foreign key attributes_id that joins to the primary key column music_data.id.

The one-to-many tables are:

The time table has a discriminator value of time signature or senza misura.

The time signature record joins to a list of time_signature_type records and an interchangeable record. The interchangeable record has its own list of time_signature_type records.