Entertainment Photos: Dr. Octogon Plays Historic First-Ever Show In SF March 22, 2017 / 4:53 PM PDT / CBS News Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison) Dr. Octagon at the Independent Dr. Octagon performs at the Independent on March 6, 2017 (Mike Madison)