One of the most acclaimed jazz and soul musicians of the 1970’s-1980’s music scene. He is best known as a founding member of The Jazz Crusaders, founded in the late 1950’s while still in high school in Houston, and later shortened to The Crusaders.

Felder was extremely busy as a West coast studio musician, mostly playing electric bass, on various soul, R&B, and rock albums with such artists as Marvin Gaye, John Cale, Bobby Womack, Randy Newman, Jackson 5 and Joni Mitchell. He also had a modest solo output with several releases featuring his name.

Felder played a King Super 20 tenor sax with a metal 105/0 Berg Larsen mouthpiece. He has also used Yamaha saxes. He played a Fender Precision bass, and has also played Aria bass guitars.