Additional Artist roles on Classical Music releases

Yes, classical releases display the additional Artist roles of 'Composer', ‘Conductor’, ‘Orchestra’. The order of roles is: ‘Composer’, ‘Main Artist’, ‘Conductor’, ‘Orchestra’ regardless of what is delivered in the XML.

Product level ‘Composer’ roles are calculated by Spotify. ‘Composers’ present on 80% of the tracks or more will be listed as a product level ‘Composer’.