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 the record in the fall of 1966, playing a series of precarious and reportedly bizarre shows. At a September 1966 concert at Fordham University in New York City, the band was noted by Gus Duffy and Jim Mason of their co-headlining band, Webster's New Word, as being clearly "high, drunk, or tripping. When they got on stage, it was clear that these people shouldn't be on stage ... They tumbled onto the stage, shambled around, and just got nowhere. After completing their brief East coast tour, the group started work immediately on its third album, "The Mamas & The Papas