Taylor HansonThere are no sick days on tour for Hanson. At New York's Nokia Theater on Oct. 15, Taylor Hanson admitted onstage that while he doesn't like to show his weaknesses, a sudden onset of illness on the road had him explaining any shortcomings in his performance.

"A couple days ago, we finished the show and we were walking off the stage, and I felt like a truck had hit me. I have this little flu thing," Taylor told the crowd during the show. "It kind of sucks."

"Not the H1N1 version," Isaac Hanson said with a laugh.