Curt Boettcher sang some background vocals on The Byrds' "The Notorious Byrd Brothers" album, a Gary Usher production job. He started out working with a folk quartet in the early 60s called The GoldeBriars. Two albums were released by Epic Records, and a third (which apparently found them heading in a prototypical folk-rock direction) was recorded but was rejected for release. The group had added drummer Ron Edgar prior to recording their third album, … Wikipedia
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