Colbie Caillat + Shane Harper Perform ‘Try,’ Discuss Their Music Backgrounds [VIDEO]Colbie Caillat + Shane Harper Perform ‘Try,’ Discuss Their Music Backgrounds [VIDEO]We were hoping musical sparks would fly when we placed pop star Colbie Caillat with up-and-coming triple threat Shane Harper, and we weren’t disappointed.Mandi SalernoMandi Salerno