BLACK DOG | On September 7, 1968, the world of rock was changed forever when Led Zeppelin played their debut show at the Gladsaxe Teen Club in Denmark. The English band has since become an iconic part of modern music history and was crucial to the development of rock and other music genres. To celebrate nearly 60 years of shredding, enjoy this video of Master Sgt. Jeremy Klenke tearing up Scott McAllister's "Black Dog" - a clarinet solo inspired by the rhapsodic music of Led Zeppelin. We hope yo