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 peaking at number eleven. It was the only Mamas and Papas single to chart higher in the UK than in the US. The fourth and final single from "Papas & The Mamas" was "For the Love of Ivy" (July 1968), which peaked at number eighty-one in the US and did not chart in the UK. For the second time, Dunhill returned to their earlier work for a single. In this case it was "Do You Wanna Dance" from the debut album, released as a single in October 1968. It failed to chart in the UK and reached number seventy-six in