[..]On Wednesday, Gutt performed three songs — “Dream On,” by Aerosmith; “Creep,” by Radiohead; and “Iris,” by the Goo Goo Dolls with lead singer, John Rzeznik.“That was so awesome,” Gutt said about singing with Rzeznik. “Just meeting him, and the fact that he had a show in Chicago the night before and got on a private jet to be a part of this with no sleep at all and got back on a plane to go on tour. He didn’t sleep for two days because he wanted to be a part of it.”Gutt said Rzeznik was gracious, caring and giving.“He’s a huge superstar, and he wanted to come do that with me,” Gutt said. “I