There once was a fork of the music NIP that included a tag marking a track as AI generated. Sadly this fork is deleted now. But I managed to implement it in my app. nostr:nprofile1qqsph3c2q9yt8uckmgelu0yf7glruudvfluesqn7cuftjpwdynm2gygpzamhxue69uhhyetvv9ujuurjd9kkzmpwdejhgtcprfmhxue69uhhxetwv35hgtn...

LOL. nostr:npub19r9qrxmckj2vyk5a5ttyt966s5qu06vmzyczuh97wj8wtyluktxqymeukr is a legend!