We’ve talked about the lineup, interviewd the organizer, and even talked to a couple bands. Now we want to give you the chance to hear what’s coming our way with some MP3 previews of a few DAM Fest bands. The music staff got together, divied up the lineup, gathered some files together and is now serving up brief breakdowns of a few bands D.C. will play host to this weekend. If you’ve got some insight…