The Highlands Ranch Concert Band opens its Jazz in The Park summer concert series at 6:30 p.m. on Saturday, June 11 at Civic Green Park. The FREE program includes various swing and big band music performed by HRCB’s own big band group, Swing Shift. Band members include volunteer professional, amateur and high school musicians. Bring a picnic dinner. Other performance dates: June 25, July 13 and August 20. 9370 Ridgeline Blvd., Highlands Ranch.