Not sure if this helps at all, but here's one that was featured here on HN not too long ago:
Just wanted to pop in to tell OP that there's a recording feature built in to the site, and everyone is free to use the recordings for whatever they'd like - I just ask that you give attribution (it's licensed under CC-BY 4.0). Though, there's no configuration and I don't use AI, if that matters.
EDIT: I forgot to mention it's free, and all the music is ambient.
There are some errors like this:
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