Elliott Yamin Joins Colbie Caillat on Stage – “Realize” – Homestead, PA 09/29/2011 mj santilli American Idol, Elliott Yamin 8 Elliott Yamin joined Colbie Caillat on stage at the Carnegie Music Hall in Homestead on September 12 to sing her hit, “Realize”. Elliott was in town for his own show it Pittsburgh. When he found out she was in town, he called her and she invited him to sing with her on stage. Check it out below.