In the early '70s, there was a subgenre -- still being excavated and discovered by collectors -- of privately pressed, or quite limited-edition, singer/songwriter folk albums that sounded like burnt-out leftovers from the hippie era. A percentage of these, in turn, were recorded and released by musicians with fervent if rather inarticulate religious beliefs. Dave Bixby's Ode to Quetzalcoatl is one of these, and though its purpose seems to have been to celebrate his deliverance from evil after embracing Christianity