Petra - Live at Calvary Chapel in California, Sept. 16, 1978

Guitar: Bob Hartman
Vocal, guitar & Keyboard: Rob Frazier
Drummer- Mike Martin
Bass- Tommy Bolles
This was after Greg Hough, Bill Glover and John Degroff left, but before Petra hired Greg X. Volz full time
Source: hischannel.com/BackQ/200/20009/.php
Video number 9. That shows: 09-16 1978.
THE CALVARY CLASSIC CONCERT From: Costa Mesa

Видео Petra - Live at Calvary Chapel in California, Sept. 16, 1978 канала petrafiles