In addition to numerous session musician duties since the early 1970s, Walker has issued fifteen albums in his own name.
[2] He attended David Starr Jordan High School in the Watts area of Los Angeles.
[8] Other musicians Walker has worked with over the years include James Brown (1973), Ray Charles,[9] LeVert, Aretha Franklin,[1] Martha and the Vandellas,[9] Bobby Womack(1981),[10] Smokey Robinson, Leon Ware,[11] Barry White & Love Unlimited Orchestra,[1] Four Tops, Wah Wah Watson, Chuck Rainey, Etta James, Donald Byrd, Gladys Knight & the Pips, Billy Preston, the Sylvers, Quincy Jones, Hampton Hawes,[12] Monk Higgins, Willie Hutch, Jeffrey Osborne, Johnny Bristol, Solomon Burke, Cannonball Adderley,[13] B.B.
He recently toured Japan with Marlena Shaw, Larry Carlton and a Brazilian artist Ed Motta.
[17] With Etta James With Martha & the Vandellas With Stevie Wonder With the Jackson 5 With Afrique With Marvin Gaye With Cannonball Adderley With Donald Byrd With Nick De Caro With Friends of Distinction With Herbie Hancock With Monk Higgins With Richard "Groove" Holmes With Freddie Hubbard With Bobbi Humphrey With Paul Humphrey With Quincy Jones With Lonette McKee With Blue Mitchell With Alphonse Mouzon With Jeffrey Osborne With Gloria Scott With Marlena Shaw With the Sylvers With Stanley Turrentine With Vulfpeck With Leon Ware With Bobby Womack With Dee Dee Bridgewater With Ed Motta