"The 50th anniversary of @twistedsisterofficial and their concert at @bcnrockfest, a decade after their last show at Can Zam, will be an exclusive and unforgettable milestone in the history of the festival," reads a post on the band's Instagram page. "@deesnider and company will return with all their greatest hits to turn the festival upside down!"
Info on tickets can be found at barcelonarockfest.com.