The Mamas & the Papas Canyon)" had been released as a single in August 1967; it peaked at number twenty in the US, but failed to chart in the UK. After the second single, "Safe in My Garden" (May 1968), made it only to number fifty-three, Dunhill released Elliot's solo feature from the album, a remake of "Dream a Little Dream of Me", as a single credited to "Mama Cass with the Mamas and the Papas" in June 1968 – against John Phillips' wishes. It reached number twelve in the US and became the band's first single to chart in the UK after five failures,
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"