It's pretty bad sometimes. I've too often typed the artist name followed by the song name, all spelled correctly and not special characters like dashes or anything and it shows up waaay down in the results or seemingly not at all sometimes. Usually it's more obscure songs but not always. As a fallback I have sometimes had to resort to searching on song.link and then following the apple music to open in AM. It's nuts. Source: 11 months ago

I don't control what Songlink supports, but they do show a Bandcamp icon in one of the screenshots on their website: https://song.link. Source: about 1 year ago

I commonly share songs from Apple Music with my friends, but not everyone uses Apple Music, so they have to manually look it up on, for example, on Spotify. In the latest update of my Velja app, which is a browser picker, I added a bonus feature where it automatically converts opened and copied music links (Apple Music, Spotify, etc) to https://song.link. This means the receiver can easily choose what music... Source: about 1 year ago

The quality is actually not that bad. The script doesnt directly search for a given song on YouTube. It uses song.link API to get a clean version of the song. Source: about 3 years ago

If the song is not found on song.link database, asks to download the songs by searching on YouTube or skip the song completely. Source: about 3 years ago

Seeing as how you commented elsewhere that you're prepping for a DJ set, presumably for a genre you don't know too well, you might want to stick the relevant musicians in Ishkur's Guide to Electronic Music into a portal like Music-Map, Gnoosic, or Music Roamer to see what else comes up. Source: about 2 years ago

I took OP's question as a media discovery tool for Lidarr and not so much the request management side of things, but I could be wrong. I'd be interested in the media discovery side of things. I often play around in MusicRoamer, but it's not at all linked to Lidarr. Source: about 2 years ago