He told John H. Johnson's magazine Ebony Man in a 1994 profile, "The music I like to play and write encompasses the four elements I grew up with: Memphis R&B, gospel, rock, and jazz.
Whalum has worked on a number of film scores, including for The Prince of Tides, Boyz n the Hood, The Bodyguard, Grand Canyon and Cousins.
He was also featured on many Luther Vandross albums, most often playing on the singer's covers of older pop and R&B standards such as "Anyone Who Had a Heart", "I (Who Have Nothing)", and "Love Won't Let Me Wait".
Whalum has recorded a series of well received solo albums and film soundtracks, with music ranging from pop to R&B to smooth jazz.
He won his first Grammy award in 2011 for Best Gospel Song ("It's What I Do", featuring Lalah Hathaway) alongside lifelong friend and writer Jerry Peters.
Joining in the intimate and stylish proceedings are other smooth jazz notables, including trumpeter Rick Braun, soprano saxophone player Dave Koz, and guitarists Norman Brown and Chuck Loeb among others.