pretty much any underground songsome of my favorites
7L and Esoteric, Aceyalone, Abstract Rude, Aesop Rock, Akbar, Akir, Anticon, Apathy, ATOM the immortal, Atmosphere, Azeem, Big L, Binary Star, Black Star, Blackalicious, Bukue One, Breakdown, Bronze Nazareth, Brother Ali, Boot Camp Clik, Calm., C-Rayz Walz, Cage, Casual, Chief Kamanchi, CMA, Cunninlynguists, Common Sense, Dangerdoom, Danger mouse, Dead Prez*, Del tha Funky Homosapien (Deltron 3030), Distrakt, Diverse, Ellay Khule, Eyedea and Abilities, Gang starr, GZA, Ghostface, Graffiti Jones, Haiku D'etat, Hieroglyphics, Hot Karl, Ill Bill, Illmind, Immortal Technique, Inspectah Deck, Insight, J-live, Jedi Mind Tricks, Juggaknots, Jurassic 5, Killah Priest, Kingsyze, Kool G rap, KRS-One, Living Legends, Louis Logik, Little Brother, Looptroop, Lupe Fiasco, MC Pascal, Mad Villain, Madlib, Masta Ace, MF Doom, Monster Island Czars, Mos Def, Mr Lif, Mikah 9, Murs, Nas, Non-Phixion, Outerspace, Opio, Paradox, Paris, Pep Love, People under the Stairs, Pidgeon John, Potluck, Promoe, R.A. the rugged man, Raekwon, Random, Rawcotiks, RZA, Sabac, Sage Francis, Sean Price, Slug, Sole, Soul Position, Souls of Mischief, Swollen Members, Symbolic1, Talib Kweli, Tech N9ne, The Coup, The Roots, The Shapeshifters, The Pharcyde, Think differently music, Tonedeff, U-God, Vast Aire, Virtuoso, Visionaries, Vordul Mega, Wax Tailor, Weatherman, Wu-Tang Clan, Zion i, Z-man