However Sober wasn't played but a solo by Maynard's son on a violin like instrument. He also played on The Humbling River.
I've never seen a show such as these where as right after Failure finished their first three songs the drum set got wheeled off and the APC drum set came out and APC played. Then after APC played three songs Puscifer played. This kept happening all night long and the members of the other bands just sat on stage drinking wine and bullshiting with each other and even played with the other bands throughout the sets. Cool night indeed.