Jazz up your Wednesday evenings with Jazz on the Ave in Dearborn! Rain or shine, Jazz on the Ave guests can bring a chair or picnic blanket to relax in City Hall Park on Michigan Avenue in Downtown East Dearborn and listen to free jazz concerts Wednesday evenings from 7 p.m. to 9 p.m. Enjoy the sounds of Matt Marshak Aug. 9 and Alexander Zonjic All Star Band Aug. 16.