Simplify the following text for a Grade 6 native English-speaking person.
Original: He roomed and collaborated for some time with bassist Charles Mingus , before getting a job on Billy Eckstine 's California tour , which eventually brought him back to New York .
Simplified: He stayed with , and played music with jazz musician Charles Mingus . Later he got a job with Billy Eckstine on a California tour that brought him back to New York .