This would mark the first time Thorn played with the band since around March 2012 .
In his absence , original guitarist Christopher Thorn replaced Zach on a handful of shows starting in Tampa on October 1 , 2016 .
This would mark the first time guitarist played with the band since around March 2012 .
In his absence , original guitarist Christopher Thorn replaced Zach on a handful of shows starting in Tampa on October 1 , 2016 .