Twelve Thirty (Young Girls Are Coming to the Canyon) Twelve Thirty (Young Girls Are Coming to the Canyon) "Twelve Thirty" a.k.a. "Twelve-Thirty (Young Girls Are Coming to the Canyon)", the song's main refrain, is a song by The Mamas & the Papas. After the release of the group's third album -- "Deliver"—and their appearance as the closing act of the Monterey International Pop Festival, the group was scheduled to appear in England. The visit was catastrophic for both the group and Cass Elliot (see The Mamas & the Papas main article for further details), and resulted in Cass leaving the group temporarily. The group had completed four tracks for
The Mamas & the Papas discography certified as gold records by the RIAA. The Mamas & the Papas discography The Mamas & the Papas were a vocal group from Los Angeles, California that was active from 1966 to 1969. Their discography consists of a total of five albums and seventeen singles, six of which made the Billboard top ten, and sold close to 40 million records worldwide. The Mamas and the Papas' recordings were released on Dunhill Records until 1967, when the company was sold and the label became ABC-Dunhill. Around 1973, ABC-Dunhill discarded all multi-track session recordings and mono masters because they were deemed obsolete