It’s not 100% work out of the box and easy for everyone / all hardware, but for the most part, I have had very little problems (specifically in my case I struggle with very low latencies, but it seems to be just me because others with similar hardware have no problems).

Another source worth mentioning: https://linuxmusicians.com/

Oh and if you just wanna test it out, check out AV Linux, comes with all the tweaks out of the box and a realtime kernel: https://www.bandshed.net/