I too tried to run a music production system mine was windows 2000 and i found what was a generall and stupid and petty battle going on over which stupid program was going to preview or have controll over media formated files (and presumably upload information about me somewhere) so the system was unstable and clicking a music file caused the entire system to crash and all the audio drivers to unload.
I switched to Linux and have been very happy with it -- the music apps are very powerfull and i can do everything i need (audio recording combined with midi from a keyboard).
Running a music system on Linux is an advanced undertaking and took some time to figure out so you might want to go with an audio production distribution like this.
avoid the redhat on fedora based ones because performance is so bad as to render them unusable
or you can just alter an instalation of something like
you can actually install Libranet then alter you sources to Demudi and install Demudis' core within Libranet i'm almost sure
when i first started out Libranet was a lifesaver because it's Debian with a better installer that is easier for noobs to use and once you get it going it's fast as lightning and stable as a rock with alot of cool features like the menus for all window managers work and other basic stuff that in debian is a headache.