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 depending on the availability of the other group members: "It was rare we were all together. Most tracks were dubbed, one vocal at a time." The Mamas and the Papas' last album of new material, "People Like Us", was released in November 1971. The only single, "Step Out" (January 1972), reached number eighty-one in the US. The album peaked at number eighty-four on the "Billboard" 200, making it the only Mamas and Papas LP not to reach the top twenty in the US. Neither single nor album charted in the UK. Contractual obligations fulfilled, the band's split was now final.