The audiophiles over at Original Sound Version have put together a glowing review of Torchlight's soundtrack, which you may recall was scored by Diablo/World of Warcraft veteran Matt Uelmen.
Matt Uelmen has been gone for far too long, and it's great to hear his music again. While his soundtrack for Torchlight is great, especially when it comes to tracks like (Torchlight) and (Mines,) both of which are some of his best work, I would love to hear this stuff redone with a live orchestra, but he certainly did the best with what he had. I can't wait to hear what he does for the MMO that Runic Games will be working on after Torchlight is out there for fans to enjoy.
While there are no official plans on the books to distribute the game's soundtrack, it's entirely possible that the music files might be present in the install folder of the game. I highly recommend checking them out, especially if you're a fan of Uelmen's work on the Diablo series or World of Warcraft.