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 and Papas' story in the memoir "Papa John" (1986), and in the PBS television documentary, "Straight Shooter: The True Story of John Phillips and the Mamas and the Papas" (1988). John Phillips died of heart failure in Los Angeles on March 18, 2001. Two albums were released immediately after his death: "Pay Pack and Follow" (April 2001), which included material recorded in London and New York with members of the Rolling Stones in 1976 and 1977; and "Phillips 66" (August 2001), an album of new material and reworkings that "takes its title from the age Phillips would have been when