There are at least 5 groups using the name Dam:
1) A Palestinian Hip-Hop group - دام
2) A Black/Death Metal band from London, UK, also Dãm
3) A French Nu-Jazz / Avant-Garde band releasing LP "Un psychiatre a la plage" on year 2004
4) A French Hardcore Techno producer using Renoise and Cubase
5) Former GDR tape underground act 1) Da Arabian MC's
Suhell Nafar, Tamer Nafar, Mahmoud Jreri DAM (Arabic: دام) is the first and leading Palestinian Rap Group. It is composed of Tamer Nafar, 27, his younger brother Suhell, 23, and Mahmoud Jreri, 24.

Read more about Dam on Last.fm.