The Tucson Jazz Society holds a benefit concert featuring Euge Groove, Rick Braun, Larry Redhouse, Mark Usvolk, Lenny Redhouse, Amilcar Guevara and local jazz students at 7 p.m., Saturday, July 17. $25 general; $20 for TJS members. $10 for active-duty military and students with identification. Call 903-1265, or visit www.tucsonjazz.org for more information.