1971 Orenda Rock Concert Handbill Vintage Lighthouse Crowbar Mainline Manchild1971 vintage Orenda rock and roll concert handbill. Orenda was a rock concert taking place on June 6th and 7th in Newmarket Ontario. Headlining bands include: Lighthouse, Crowbar, Mainline, Manchild, Perth County Conspiracy, Leigh Ashford, Edward Bear, and Truck Both items are in very good condition; ticket has a notable vertical crease and some corner creasing, but is intact with no rips or tears and is unused. Handbill has a small rip along the