Rodney-O & Joe Cooley are noted west coast hip hop pioneers from Compton, California, best known for tracks such as "Everlasting Bass," "Cooley High," and "This is for the Homies." Rodney-O is a rapper and Joe Cooley is a DJ. The group also included occasional vocals from hype man General Jeff. The group's first record was distributed by Macola Records, which also distributed seminal works by Eazy-E, N.W.A and Ice-T. Having met him during their days at Ichiban, the duo worked with Vanilla Ice as a producing group called "Tha Hit-Men" between 1992 to 1994.

Joe Cooley is considered one of the most influential scratch DJs. His sound was often characterized by using a switch instead of a fader. The "Joe Cooley" scratch he pioneered consists of rapidly executed stab-backscribble-chirp combinations.