TESTAMENT Joined By SADUS Drummer For 'Mayhem' Performances; Video Available

[MetalAges]

SADUS drummer Jon Allen sat behind the kit for TESTAMENT when the San Francisco Bay Area thrash veterans performed in the place of IN FLAMES at the first two shows of the Rockstar Energy Drink Mayhem Festival — on Saturday, July 9 in San Bernardino, California and on Sunday, July 10 in Mountain View, California.

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