There are at least 3 artists called Exit Music.
1) a project by piper lewine /SF/bay area/ that's a diy music collective. all music is proudly lo-fi, in digital or analog format. emotions through layers.
2) an Essex-based band whose style "has become difficult to explain, although most tend to describe it as progressive". They plan to sell out in 2010.
http://myspace.com/exitmusicband
3) an alternative/indie band from Burbank, California.
http://www.myspace.com/exitmusic666