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 Deliver", which was recorded in the autumn of 1966. The first single from the album, "Look Through My Window", was released in September 1966 (before the last single from "The Mamas & the Papas"). It reached number twenty-four in the US, but did not chart in the UK. The second single, "Dedicated to the One I Love" (February 1967), did much better, peaking at number two in both the US and the UK. That success helped the album, also released in February 1967, reach number two in the US and number four in the UK. The third single, "Creeque Alley"