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
Jill Gibson they referred to Gibson as "skeletal, modish, blonde and beautiful". Another article called "New Mama is definitely Jill" was published in "Melody Maker", followed by a cover story on Gibson that was featured in "KRLA Beat" with the headline reading "Brand New Mama". The new Mama also made several television show appearances with The Mamas & The Papas to promote their latest single, "I Saw Her Again". The Mamas & the Papas hit the road with Gibson for a few concert dates beginning on July 1 in Dallas, Texas (the Dallas show was supposed to be on June 18 but