The music of the great machine is very powerfull . Two words: Riffs forward. the Brothers Haviv produce a heavy aggressive riff, that worships at the same time Black Sabbath and Led Zeppelin ; From the back Yitzhaki kills with his drums . Some things make this simplicity wins. First,the free spirit and wild feeling that the Great Machine spreads, their stage behavior immediately releases the rocker in the mind , even if it is quite suppressed . Second