Setting up an operating system for audio production is more complicated than
just installing a few programs. There are lots of tweaks that need to be made
to get all the software working together from a real time kernel to setting
up Jack and plugins. Also music-orientated distros will have more in the
repos and are gonna keep everything up to date better as that is their main
focus. When I am making music I like to know my operating system is fully
focussed on the tasks at hand.
There are some brilliant distros out there which make producing music
incredibly simple. Unfortunately they are mostly not 100% free. Musix is a
brilliant distribution but is in desperate need of an update.
It is a different tool from Trisquel and I think there is a big need for it
in promoting free software for creating free music, art and culture.