Watch DVD Version Of TRIUMPH’s Entire Performance At US Festival

May 29, 1983 will forever be an important day in the history of heavy metal. After all, it was on this date that some of the world’s then-top metal acts — VAN HALEN, SCORPIONS, TRIUMPH, OZZY OSBOURNE, JUDAS PRIEST, MÖTLEY CRÜE and QUIET RIOT — shared the stage on “Heavy Metal Sunday” at the mammoth…