Its catalogue grew to include Bob Brookmeyer, Maynard Ferguson, Jim Hall, Helen Merrill, Carmen McRae, Jimmy Raney, Zoot Sims, Clark Terry, and Sarah Vaughan.
Janis Joplin, with Big Brother and the Holding Company, first appeared on Mainstream.
In 1990, the label was restarted by his daughter, Tamara, and Humphrey Walwyn, the former head of BBC Records.
[2] It was bought by Legacy Recordings in 1993 and purchased back by the Shad family in the early 2000s.
The Mainstream 56000/S6000 Series commenced in 1964 when the label was established by Bob Shad and ran until 1971 and initially reissued material from Commodore Records and Time Records (an earlier Bob Shad label) in addition to some new jazz recordings, then soundtracks, before branching into psychedelic rock around 1966.