Decibel Beer and Metal fest will be December 1 and 2 at the Wiltern in Los Angeles. On the second day, Triptykon will be playing a special all-Celtic Frost set. (Celtic Frost was Tryptikon frontman Tom Gabriel's band before his current group). Other acts include Testament playing a The New Order and The Gathering set, Godflesh, YOB, Pig Destroyer, Power Trip, Necrot, and more.