“I wanted to become less afraid of electronic instruments so I could use them in a more complex songwriting style.”Restlessness is a virtue for recording artists who are willing to expand their sonic horizons instead of relying on what comes naturally to them. Case in point: John Rzeznik of Goo Goo Dolls, a guy who could easily coast his way up the charts by merely tapping into the inherent knack he has for penning the kinds of hooks and melodies that made megahits out of songs like Iris, Name, Slide, Black Balloon, and scores more.Rather than repeating himself, Rzeznik (the first z is silent,