After a hiatus of four years since their last album, Vanden Plas, the esteemed German Progressive Rock group, today release their latest album, 'The Empyrean Equation of the Long Lost Things', thus making a triumphant return with an enthralling assortment of six tracks, showcasing their unmatched musical skill and narrative artistry, such as the album's lead single, 'My Icarian Flight', which is also one of today's six of the best 'Frontiers Rocks!' Tracks Of The Day, complemented by another similarly timed Frontiers release from Praying Mantis, plus four other tracks from PreHistoric Animals, WyndRider, Oblivion Gate and Tytus.