Janis Joplin a version of Big Mama Thornton's "Ball and Chain", appear in the DVD box set of D. A. Pennebaker's documentary "Monterey Pop" released by The Criterion Collection. She is seen wearing an expensive gold tunic dress with matching pants. They were created for her by San Francisco clothing designer Colin Rose. Documentary filmmaker Pennebaker inserted two cutaway shots of Cass Elliot of the Mamas & the Papas seated in the audience during Joplin's performance of "Ball and Chain", one in the middle of the song as her eyes, covered by sunglasses, are fixed on Joplin, and also a shot during
Dream a Little Dream of Me indications that the Mamas & the Papas were set to disband, a perception strengthened by the failure of the lead single "Safe in My Garden". Having an opportunity to promote the group's best-known member as a soloist, Dunhill Records gave a June 1968 single release to the "Dream a Little Dream of Me" track with the credit reading - to John Phillips' displeasure - "Mama Cass with the Mamas & the Papas"; in its UK release the artist credit simply read "Mama Cass". Promoted in the US press and on billboards with a photograph of a discreetly but obviously nude