Unfortunately the music field never had such collaborative effort to build a unified ontology, so each big player have its own ontology, and they are not very c

Unfortunately the music field never had such collaborative effort to build a unified ontology, so each big player have its own ontology, and they are not very compatible. From personal experience, building software that consumes data from multiple sources in music is a nightmare, it is impossible to design a data model that fits all the incompatible ontologies.