Downloadable musical sound recordings; Downloadable audio recordings featuring music anthologies; Downloadable audio-visual recordings featuring music; Downloadable audio recordings featuring music authenticated by non-fungible tokens (NFTs); Crypto collectibles in the nature of downloadable music files authenticated by non-fungible tokens (NFTs); Digital collectibles in the nature of downloadable music files authenticated by non-fungible tokens (NFTs); Downloadable digital music files authen...