Nostr is too fragmented right now. There are people using wavlake and fountain, plus there's me using hashtags like #music and #tunestr and there's no good way to search across all those.
We could have used NIP-54 wikis to index music in accordance with agreed-on data entry standards, but as soon as I started trying to organize and plan for that, fiatjaf responded by breaking the NIP-54 wikis with asciidoc