Kristian Bush on Joyous New LP Born of Tragedy: It's 'Sunshine Into a Cave'

It took the actions of a seven-year-old to help Kristian Bush find peace — literally — after the deadly Indiana State Fair stage collapse of 2011.

Seven people were killed and nearly 100 injured at almost the exact minute the Sugarland guitarist and lead singer Jennifer Nettles were meant to start their set….