The Tucson Jazz Institute's Ellington Band and the Arizona Roadrunners, a traditional jazz band composed of members of the institute's faculty, perform at 7 p.m., Saturday, Oct. 13, as part of 2nd Saturdays downtown; free. Bryan Adams performs at 8 p.m., Tuesday, Oct. 16; $35 to $110. Call or visit foxtucsontheatre.org for tickets and more information.