Hacker News Reader

https://www.pianobook.co.uk/ has hundreds of no-charge sample libraries (many pianos, lots of other things). The most common format is for Kontakt (non-libre, but available for Windows & macOS at no cost). There's quite a few in DecentSampler format and a few SFZ. It's not hard to extract the audio files from any of them if you need to.

excellent, ty

Pixabay is another great resource for completely free music: https://pixabay.com/music/

Awesome list, thanks for sharing. I'll admit I'm also commenting so I remember this in the future...

or you could... yknow... star my repo :)

That YouTube link appears to be broken for me.