While on the Gigantour in 2005, Shawn became the third Megadeth guitarist on stage during "Peace Sells" while Mike Portnoy previously of Dream Theater played the drums. Shawn also did one solo of the song. The night after the statements were released that Shawn's brother Glen had quit Megadeth, Shawn and Glen recommended Chris Broderick as a possible replacement. Shawn then proceeded to show Dave a video of Chris playing both classical and electric guitar. Dave was immediately won over and soon managed to get in contact with Chris. Two weeks later, Broderick was officially declared the new guitarist for Megadeth.