no order, just some favs i can think of now

tupac-changes
bonethugs-crossroads
biggie-sky's the limit
nas- one mic
eminem- say goodbye to hollywood
do or die- do u wanna ride (greatest pimp song)
dre and snoop-aint nuthin but a g thang
methodman and redman- you
outkast- playa's ball
mos def, nate dogg, pharohe monch- oh no

not official, just my favs right now