His voice became famous outside Hawaii when his album "Facing Future" was released in 1993. His medley of "Somewhere over the Rainbow/What a Wonderful World" was subsequently featured in several films, television programs, and television commercials.
Through his skillful ukulele playing and incorporation of other genres (such as jazz and reggae), Kamakawiwoʻole remains a very strong influence on Hawaiian music. wiki
That's the flipSide