Ultra-rare! Triumph live at Canada Jam - Mosport Park - Rocky Mountain Way 1978 Toronto rock band Triumph on August 26th, 1978 in front of 110,000 people at Mosport Park near Bowmanville, Ontario, for Canada Jam (a full-day festival which featured the most bizarre concert line-up of all time, including the Commodores, Doobie Brothers, Village People, Kansas, Johnny Winter and more). This is a very rare early video of Triumph (shot two months after their "Live at the Forum" show at Ontario Place