For more than 30 years, bassist Robby Takac has anchored the Goo Goo Dolls alongside John Rzeznik. Before they release their latest LP, the band is treating fans to Rarities, a collection of live versions of hit songs like “Iris” and “Slide” as well as rare studio recordings.Jordan and Demi talk to Takac about the band’s success and how they put together this new collection of songs.