Bobby Roberts (film producer) the album Slow Flux by Steppenwolf. IMDB.com credits Roberts as serving as producer or executive producer of nine TV or film productions. Bobby Roberts (film producer) Robert M. "Bobby" Roberts (May 9, 1929 – October 10, 2004) was a musician, producer, record executive and Hollywood film producer. In 1964, Roberts co-founded Dunhill Productions, which became Dunhill Records the following year. Roberts also managed performers such as The Mamas and The Papas, Richard Pryor, Mort Sahl, Mama Cass Elliott, Paul Anka, Ann-Margret, Johnny Rivers and many others. Roberts formed Mums Records with Hal Landers and Don Altfeld in 1972. The label,
The Mamas & the Papas in 1999. Doherty died of an abdominal aortic aneurysm at his home in Mississauga, Ontario, on January 19, 2007. He was survived by his three children, Jessica Woods, Emberly Doherty, and John Doherty. A documentary by Paul Ledoux, "Here I Am: Denny Doherty and the Mamas and the Papas", premiered at Halifax's Atlantic Film Festival in September 2009 and screened on the Bravo cable network as part of the Great Canadian Biographies series in February 2010. While Michelle Phillips' only solo album, "Victim of Romance" (1977), made little impact, she went on to build a successful career as an actress.