all the above mentioned are dope. brotha lynch hung, immortal technique, dre
but theres always more
almost any bone thugs n harmony (now the new shit, they are kind of slippin)
cypress hill (u have to get high thm)
old skool - warren g, westside connection, xzibit, 2pac, dre, snoop dogg, kurupt, daz dillinger, too short remember all old stuff not the new

i highly reccomed smoking to bone thugs and cypress