The Navy Band Great Lakes Brass Ambassadors will give a master class at 11:30 a.m. today (Thursday, Feb. 5) in C107 Duerksen Fine Arts Center, and a concert at 7:30 p.m. Friday, Feb. 6, in Miller Concert Hall. Both events are free. The concert features a double quintet performance with the Wichita Brass Quintet and a vintage Naval aircraft onstage.