In the video footage below, NIGHTWISH rehearse the song 'Planet Hell' in January at SIR Studios in Los Angeles:Nightwish have nearly completed the additional score for their upcoming Imaginaerum film. On August 8th, Nightwish will debut the film to fans with a special showing at the Hartwell Arena. The 11,000 capacity arena has hosted previous Nightwish live gigs, but this would be the largest movie premier in Finnish history. Petri Alanko, "the wizard behind the newborn versions and soundscapes...