Some of my favourites with a recommended track or three...
Underground hip-hop...
Sole {Nothing Fell Apart, Furthermore, Our Dirty Big Secret}
Atmosphere {Summer Song, God Loves Ugly, Scapegoat}
MF Doom {No Snakes Alive feat. Monster Island Czars}
Eyedea {Walking, Here For You, Infared Roses}
Sage Francis {There's a recorded freestyle session with Slug, Blueprints, Eyedea and more, cop that shiiet)
Immortal Technique {Positive Balance, Dance with the Devil}
People Under the Stairs {Acid Rain Drops, Invisible Blunt Roller, San Francisco Knights}
The Streets {Turn the Page, Same Old Thing, Stay Positive}
Blueprint {Final Frontier with RJD2}
Felt {Another Knight, Dirty Girl}
Why? (Rubber Traits, Center City with Sole}
And Instrumental kinda jazz...
The Herbaliser {The Blend ft. What What}
DJ Vadim {It's Obvious, From Russia With Love, Friction}
Daedelus {Telling Meaning, Something Bells, Drops feat. Cyne}
Prefuse 73 {Blacklist feat. Aesop Rock and MF Doom, Pagina Dos feat. The Books, Perverted Undertone, International, Busy Signal}
Four Tet {Twenty Three}
Kid Koala {Fender Bender, Nerdball, Emperors Crash Course in Cantonese}
Mr. Dibbs {Outreach 5, Skate Music, Redout}
RJD2 {Smoke and Mirrors, Ghostwriter, June feat. Copywrite, Fuck a Soundcheck}
Sixtoo {Sidewinders, Chainsaw Breakfast}
DJ Shadow {High Noon, Blood on the Motorway, The Number Song}
Have Fun