Communicating the name of a writer of a Musical Work is an important part of a number of DDEX messages – specifically: ERN, RIN, DSR and the various messages to support the licensing of Musical Works. There are, several aspects to writing a Musical Work that DDEX messages can differentiate:
Has the writer contributed to the lyrics of the Musical Work?
Has the writer contributed to the melody or tune of the Musical Work?
Has the writer contributed to the lyrics and the melody/tune of the Musical Work? Or
Is it only known that the writer has contributed to the Musical Work but not whether they contributed to the lyrics or the melody/tune?
These four cases can be communicated in all standards published in 2020 or later with four role codes:
In older versions of DDEX standards only three values,
ComposerLyricist, are available. When using those standards it is suggested to use a
ComposerAndOrLyricist as a user-defined value as described on here.
Note: DDEX of course also supports additional Musical Work-related roles such as