Music Ally's 200 Digital Music Startups Of 2008 got so much attention last year, that they decided to do it again. This A-Z list is based on companies that they covered in 2009, so its not 100% complete. If you or someone you know and love failed to make the list, please add it to the comments section below and I'll make sure that the fine folks at Music Ally see it.
A to Z of Digital Music Startups in 2009
