Some from my myspace that I once thought of, no particular order and i have obviously missed some corkeres...
Sir George Martin, The Beatles, Stevie Wonder (70's), Bob Marley, James Brown (& most affiliates), Jimi Hendrix, Miles, Coltrane, Donald Byrd, Herbie Hancock, John Williams, Gustav Holst, Quincy Jones, Frank Sinatra & Zappa, Paul Weller, Curtis Mayfield, Sly & The Family Stone, Larry Graham, Nina Simone, Burt Bacharach, John Williams, John Barry, Henry Mancini, Prince, The Meters, Gil Scott Heron & Brian Jackson, Jackson 5, Carol king n Kaye, Martha Peebles, Massive Attack, Tricky, Wynton, Branford and Ellis (Whose the other one?) Marsalis, George Benson, Gordon Sumners (earlier) heheh, Lenny Kraitz (earlier), Jamiroquai (Earlier), Shuggie Otis, Mother Earth, Terry Callier, Roy Ayers, Fela Kuti, Manu Dibango, Soul II Soul, Linton Kwesi Johnson, Radiohead, U2, Pink Floyd, The Doors, Kinks, NWA, MAW, Ninjatoonz, DJ Shadow, Public Enemy, Beasties, Zero 7, D-Note, Lamb, Take 6, Jazzmatazz, Blaxploitation, Giles Peterson, Nuyorican Soul, Gershwin, Hammerstein & Rodgers, Jhelisa, Blackaliscious, Slick Rick, Pharell, Trevor Horn, A Tribe Called Quest, Canadian Racer, Jurassic 5, Chas n Dave....and on and on
Everyday there is something new to admire.