https://developer.amazon.com/en-US/docs/alexa/music-skills/upload-catalogs.html
Upload Music or Radio Catalogs | Alexa Skills Kit
Learn why and how to upload your content catalogs for an Alexa music or radio skill.
alexa skills kitupload musicradio catalogs
https://classiccmp.org/pipermail/cctalk/2018-December/044511.html
Vintage Radio Catalogs
vintage radiocatalogs