I know alot of people need high quality stems, multitrack mogg files for tone matching well I did an extensive search on google and I eventually found the most extensive free site you could ever hope for This place has it all! Rips of all the rock band, guitar hero games with all the songs in them. There is even the full Metallica rips here! I couldnt belive it when I found this site, I about gave up but then I stumbled on this treasure trove! I hope some of you can find some of these useful and get to making some amazing tone matches!
Here is the site!!!!
Multitrack songs for download : Guitar Hero Metallica Multitracks