Friday night’s ProgStock 2017 headliner is 25-year veterans Glass Hammer! They performed on the 2013 Cruise to the Edge; the 2014 Moody Blues Cruise; played RoSfest 2015; played Quebec’s Terra Incognita 2016 Festival; and are currently scheduled to perform at Italy’s Veruno Prog Festival (September 2017), and the 2018 Cruise to the Edge.
Check out one of their epic tracks from last-year’s critically-acclaimed concept album, Valkyrie: