Ian Meyer Arizona Daily Wildcat Bret Bixby, lead singer of 12 Hour Mary, and bassist Greg Coats perform yesterday on the UA Mall. The group will perform again from 6 p.m to 7 p.m. tomorrow on the Mall. The band's performance was part of a promotion for the exclusive movie preview of 'Cause N' Defect' playing at Gallagher Theatre tonight and tomorrow at 10:30 p.m.