David Matthews  (born March 4, 1942 in Sonora, Kentucky , United States), is a keyboardist , pianist , and arranger.
A graduate of the University of Cincinnati with a bachelor's degree in composition, Matthews has composed television soundtracks as well as albums with the Manhattan Jazz  Orchestra. He is the leader of the Manhattan Jazz Quintet. Matthews was also the leader of the musical group the Grodeck Whipperjenny.
In 1970, he began working as both an arranger and bandleader for James Brown . Matthews has worked with many musicians, including Bonnie Raitt , Buddy Rich , Idris Muhammad , and the Starland Vocal Band . He was staff arranger for Creed Taylor's CTI Records  label in the mid-1970s, working on albums for artists such as George Benson , Esther Phillips , Grover Washington Jr., Hank Crawford , and Idris Muhammad . In 1978, Matthews arranged strings and orchestra, and played piano , on Nina Simone 's album Baltimore 
The Grodeck Whipperjenny , People (recorded 1970)Big Band Recorded at the Five Spot  (1975)Shoogie Wanna Boogie , (Kudu, 1976) (with Whirlwind)Dune , (CTI, 1977)Digital Love  (1979)Grand Cross , (Bellaphon , 1983)Delta Lady  (1983)Super Funky Sax  (1984)Billy Boy , (King /Paddle Wheel, 1986)Waltz for Debby  (1987)Speed Demon , (1989) (with the First Calls)Jazz Ballads with Strings  (1991)Super Trombone  (2003)Girl from Ipanema  (2005) (with N.Y. Friends)Impressions  (2005) (with N.Y. Friends)Hey Duke!  (2005) (with the Manhattan Jazz Orchestra)Cosmic City  (2006) (with the Electric Birds)Digital Love  (2006) (with the Electric Birds)James Brown , Sho' Is Funky Down Here , (King, 1971)James Brown, "I Cried /World  Pt. 2", (Starday King, 1971) 7" Vicki Anderson , "I'll Work It Out/In the Land of Milk and Honey", (Brownstone, 1971) 7"James Brown, "I Got a Bag of My Own ", (Polydor , 1972) 7" Lyn Collins , Think (About It) , (People, 1972)James Brown, "Sexy, Sexy, Sexy ", (Polydor, 1973) 7" With Patti Austin  End of a Rainbow With George Benson  In Concert-Carnegie Hall Good King Bad Benson & Farrell  with Joe Farrell  (CTI, 1976) - ArrangerWith Ron Carter  Anything Goes With Hank Crawford  I Hear a Symphony Hank Crawford's Back With Art Farmer Something You Got Big Blues Jim Hall  (CTI, 1978) - ArrangerWith Grant Green  The Main Attraction  (Kudu, 1976) - ArrangerWith Urbie Green  The Fox SeƱor Blues With Yusef Lateef  Autophysiopsychic With Blue Mitchell  Many Shades of Blue With Idris Muhammad House Of The Rising Sun Turn This Mutha Out Boogie to the Top  (Kudu, 1978)With Nina Simone  Baltimore With Jeremy Steig  Firefly