Metal band follow in the footsteps of Slayer and Metallica
A new bass player and drummer have been touring with the metal group
Judas Priest, Black Stone Cherry and Five Finger Death Punch also confirmed for Donington Park festival
Drummer left the band prior to recording new studio album
Taylor says he 'refuses to let anybody say that and have it be taken seriously'
Knotfest took place in Devore, California over the weekend
US metal band will release new studio record on Monday (October 20)
The band will play nine dates throughout the month with Korn in support
Track will feature on forthcoming new album '.5: The Gray Chapter'
Band member Shawn 'Clown' Crahan says burning waste "has a very distinct smell"