 Charles Mingus had known Dolphy from growing up in Los Angeles, and the younger man joined Mingus' Jazz Workshop in 1960, shortly after arriving in New York.He took part in Mingus' big band recording "Pre-Bird" (later re-released as "Mingus Revisited"), and is featured on "Bemoanable Lady".Later he joined Mingus' working band which also included Ted Curson at the time.