Heavy Metal RIOT’s ‘Thundersteel’ Lineup To Tour Europe In June December 28, 2008 Atomm Leave a comment The 1988 “Thundersteel” lineup of RIOT has reformed and is planning on hitting the road in Europe in June 2009.Source The 1988 “Thundersteel” lineup of RIOT has reformed and is planning on hitting the road in Europe in June 2009.Source