Jack and Zach warming up backstage at the Obama Home States Inaugural Ball. Jack with Common, who also performed at the Obama Home States Inaugural Ball. Jack and his wife Kim had the honor of meeting the new President and First Lady at the Ball. Vice President, Joe Biden, on stage making a speech at the Home State Inaugural Ball. Jack and Zach entertaining the crowd. Hawaii's own, John Cruz, joined Jack and Zach on stage for their last 3 songs (Breakdown, Island Style and Better Together).