Tonight, quite possibly the Earth's most dominate and dizzying drummer will bring his 45-minute concerto "Necromancer" to the Doug Fir stage. Zach Hill's potent ability to boggle you with what sounds like tripleted bass pedal work and frantic tom, snare and hi-hat battering hits you like a Humboldt bong rip. And although I refrain from toking GANJ, I can definitely see how experts compare Zach Hill to the likes of Buddy Rich and Keith Moon. Check it out for yourself here in clip from a performance with his seminal NorCal duo Hella: