Here are my 5 at the moment, all of which are metal/hardcore. Each has their myspace page under it if you want to check them out and hear the song I listed.
1.
Icepick: Real Recognizes Real (Icepick with Bodycount)
http://profile.myspace.com/index.cfm...iendid=9815240
2.
Killswitch Engage: Last Serenade (Old Killswitch song)
http://profile.myspace.com/index.cfm...iendid=4246250
3.
Cipher: Privilige (Amazing NY Hardcore)
http://profile.myspace.com/index.cfm...iendid=2290162
4.
Hatebreed: To the threshold (New Hatebreed song)
http://profile.myspace.com/index.cfm...endid=36607503
5.
Drykill Logic: Rot (Awsome band)
http://profile.myspace.com/index.cfm...iendid=2399481