Observer Editor, Free
“Top of the Park”: Ann Arbor Summer Festival.
See 10 Friday. Tonight: Canopy by Pneuhaus (5 p.m.), a pedal-powered illuminated sculpture. In the Kidzone: Wind Chimes Craft (5 p.m.). On the Power Center Lawn: Jazzercise with Saline Come Dancing (5 p.m.). On the O&W Grove Stage: Avant-garde Kalamazoo folk-soul cellist and vocalist Jordan Hamilton (5 p.m.) and Detroit-based jazz composer-pianist Estar Cohen (6 p.m.). On the Rackham Stage: Genre-hopping Ann Arbor funk-rock and jazz fusion quartet Chirp (7 p.m.), the Detroit progressive pop-soul septet Paddlebots (8:30 p.m.), and the Detroit-area funk-rock band Funkwagon (10:15 p.m.).