Charles Wright & the Watts 103rd Street Rhythm Band is a pioneering American soul and funk band. Formed in the early 1960s, they had the most visibility from 1967 to 1973 when the band had 9 singles reach Billboard's pop and/or rhythm and blues charts, such as "Do Your Thing" (#11 Pop, #12 R&B), "Till You Get Enough" (#12 R&B, #67 Pop), and "Love Land" (R&B #23, Pop #16). They are best known for their biggest hit on Warner Bros. Records, 1970's "Express Yourself" (#3 R&B, #12 Pop), a song that has been sampled by rap group N.W.A and others. The original line-up comprised of bandleader Charles Wright (vocals, guitar, piano), Al McKay (guitar), Gabe Flemings (piano, trumpet), Melvin Dunlap (bass), James Gadson (drums), John Rayford and Bill Cannon (both sax), and Ray Jackson (trombone). McKay left in 1969 to join Earth, Wind & Fire and was replaced by Benorce Blackmon.