Not to be a dick, but I'll assume you mean hip-hop. Let's see...

http://www.youtube.com/watch?v=ic7KH1PpbMY
Dr. Dre - "Bitches Ain't Shit"

http://www.youtube.com/watch?v=VsdLn46UXnA
Eazy E - "Real Muthaphukkin' G's"

http://www.youtube.com/watch?v=d12EI3xNiqE
Cypress Hill - "How I Could Just Kill a Man"

http://www.youtube.com/watch?v=M72zVuBNpEA
Immortal Technique - "Dance with the Devil"

http://www.youtube.com/watch?v=-6ChkExqv2E
Notorious B.I.G. - Suicidal Thoughts

http://www.youtube.com/watch?v=_ZeGcfsl8JA
Snoop Doggy Dogg and Dr. Dre - Deep Cover

I dunno, I'm just getting into this stuff, but all that seems pretty cool. I'm pretty sure I'm still scratching the mainstream surface here though.

about a yr ago found Five Deez, through the adventures hiphop and wiki. and torrents. and old school hiphop.

http://www.youtube.com/watch?v=JwXYEs0xVtE

no clips but plenty to hear

CBF posting links, but off the top- if you havnt listened to yet then do for OLD ScHOOL and shit
big l, pharcyde, main source, de la soul, black sheep, aesop rock, mf doom, kmd, paris, del the funky homosapian, dj shadow, dj krush, pete rock & c.l smooth, gang star, guru, roots, jeru the damaga, brand nubian, poor rightious teachers, masta ace, artifacts ????

all of this old, but this five deez shit is pretty new and on par.

http://www.youtube.com/watch?v=jJXyZeyNuFI