The Mamas & the Papas from 1964 to 1965. The last member to join was Cass Elliot, Doherty's bandmate in the Mugwumps, who had to overcome John Phillips' concern that her voice was too low for his arrangements, that her physical appearance would be an obstacle to the band's success, and that her temperament was incompatible with his. The group considered calling itself the Magic Cyrcle before switching to the Mamas & the Papas, inspired by the Hells Angels, whose female associates were called "mamas". The quartet spent the period from early spring to midsummer 1965 in the Virgin Islands "to rehearse and just put
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"