Feliciano wrote and performed the theme song to the 1970s comedy series "Chico and the Man", and played a guest role in one episode as the cousin of Chico (Freddie Prinze), singer Pepe Fernando. In the 1970s, he acted and composed for television series and movies including "McMillan & Wife", "Kung Fu", and the soundtrack for the 1976 movie "Aaron Loves Angela." He has also been a guest performer on many albums by other artists, including Bill Withers's "+'Justments", John Lennon's "Rock 'n' Roll", Joni Mitchell's "Court and Spark", Michael Nesmith's "Tantamount to Treason Vol. 1", and has given concerts with Carlos Santana, Cat Stevens, and Paul Simon.