Puddle Of Mudd’s singer walked off stage during the band’s set on Saturday night (November 20) after arguing with a lighting technician.According to fans who were there, Puddle Of Mudd took to the stage over half an hour late for their headline show at the EPIC Event Centre in Green Bay, Wisconsin before singer Wes Scantlin walked offstage after only five songs.In footage shot by someone in the front row of the concert, Scantlin can be seen performing the entirety of 2009 single ‘Spaceship’ with