Use whatever you are comfortable with and works for you. At the moment it sounds like Windows might be the path of least resistance. Fine, go with that.
For me, I finally ditched Windows altogether around 15 years ago. Well, I say ditched - my customers and staff … haven’t.
The list of stuff you have problems with might be tricky on Linux simply because the vendors of music gear are unlikely to give a shit. Nvidia should be fine. I have a VMware VM at home which runs Zoneminder on Ubuntu, with a passed through Nvidia GPU. Surely it should be easier on physical hardware. I wrote this: wiki.zoneminder.com/GPU_passthrough_in_VMWare
You mention gaming so you’ll probably not be bothered with CUDA. You’ll need wiki.archlinux.org/title/NVIDIA If that doesn’t do it for you, hit the Arch forums …
The forums can be a bit intimidating but if you keep your query concise and show some evidence of effort, someone will probably get you over the line.