Casey Bishop performs Judy Garland's “Over The Rainbow” from “The Wizard Of Oz” - American Idol

Casey Bishop is a 16-year-old powerhouse, covering a song that Judy Garland sang when she was just 16-years-old, as well! Singing “Over The Rainbow” from “The Wizard Of Oz,” Casey takes us on a musical journey and gives us her incredible, gorgeous rendition of the classic song.