Luca Todesco, Ricky Busta, Andy P, DJ NIka, Birkenmeier, Coxmox DJ, Cyril Picard, Itus, Bessiff, Marcus Nacht, Mekanic's, Michael Ballus, Missj.Rude, Pascal Billotet, Peter Strom, Raja, Scotty Brown, SorAleks, Sync Sweep, Tom C, Zir Rool - Subwoofer Essential Structures, Vol. 2 [Subwoofer Laboratory]