Ox Guru MOP Biggie Promoe from Looptroop Masta ace(Ef wouldn't agree on this one, haha) Guys from Euphrates and Mf doom.
i like to think as these people/groups as hiphop not rap aesop rock cage sage francis ill bill/necro tommy tee atmosphere (dont care that hes sold out, n to tell the truth i dont think he is) E&A EL-P prefuce 73 (if they count as rap)
sage francis all of the living legends guru from gangstarr adeem adverse Biggie Smalls eyedea prefuse 73 Mr. Lif josh martinez sleep 2 mex musab slug aesop rock and a lot more, but don't have the time
afroman,aesoprock,busdriver,bustarymes(oldskool),cypresshill,outcast(old stuff)natedog,warren g,nwa(solo stuff)pluss lots more .
vinnie paz immortal technque jus allah mos def supernatural virtuoso GZA esoteric des devious ill bill BIG L old mobb deep, fuck the new mobb method man RZA raekwon ect ect