Charles Wright & The Watts 103rd St Rhythm Band

Funk band, formed in the mid-1960's in Los Angeles, California. Successful both as a backing group to others (most prominent of them being Bill Cosby) as well as a group in their own right, best known for their 1970-hit Express Yourself.
Post Soul Runners
The original line-up comprised of bandleader Benorce Blackmon.

Initially, the band was known as The Watts 103rd Street Rhythm Band, from 1969 on they recorded as Charles Wright & The Watts 103rd Street Rhythm Band.

The group was disbanded when Dunlap, Gadson, Jackson and Blackmon went on to work with Bill Withers in 1972. Charles Wright then embarked on a solo career.