(..)‘It’s a good feeling to see someone half my age singing my song’John Rzeznik of the Goo Goo Dolls is one who understands that feeling well, having written “Iris”, a 1998 ballad that has become a modern classic. Like Sting, he is surprisingly zen about the experience of seeing his creation mangled by the grubby hands of artists around the world.“To me, it’s like a testament to the song,” he says. “Like, wow – you know, I wish I could make another song like that – it has really held together for 20 years. I mean, it’s a good feeling to see someone half my age singing my song.”Surely with so