Israel Kamakawiwo'ole's Hawaiian-style "Over the Rainbow" has become a prevalent part of today's popular music. Performed in Glee'sÊfirst season finale by Matthew Morrison and Mark Salling, the unique setting has been sung by several American Idol contestants and featured in many TV shows and movies. In this creative arrangement, a divisi choir accompanies the soloist, duet, or small group, performing a cappella or with optional piano, ukulele, or guitar.