The Mamas & the Papas "High on Arrival", that she had been in a long-term sexual relationship with her late father. Denny Doherty's solo career faltered after the appearance of "Whatcha Gonna Do?" in 1971. The follow-up, "Waiting for a Song" (1974), was not released in the US, although a 2001 reissue by Varèse Sarabande gained wider distribution and the album is now available as a digital download. It features Michelle Phillips and Cass Elliot as backing vocalists, the latter in what proved to be her last recorded performances. A single from the album, "You'll Never Know", made the adult contemporary charts. Doherty then turned
The Mamas & the Papas singles charted in the UK. The Mamas & the Papas cut their first three albums at United Western Recorders in Hollywood, while the group's subsequent releases were recorded at the eight-track studio John and Michelle Phillips built at their home in Bel Air (at a time when four-track recording was still the norm). John Phillips said, "I got the idea to transform the attic into my own recording studio, so I could stay high all the time and never have to worry about studio time. I began assembling the state-of-the-art equipment and ran the cost up to about a hundred