Celebrating it's thirteenth event next month across the weekend of 14th-15th April, at the O2 Academy in Sheffield, Hard Rock Hell Prog XIII will be hitting this venue with a spectacular line-up, and today's 'HRH Prog XIII Rocks!' Tracks Of The Day showcases just six of the great bands taking part, namely Asia (featuring John Payne), The Flower Kings, Ozric Tentacles, Stray, The Blackheart Orchestra and The Paradox Twin.