The Nightmare Before Christmas Turns 30: Danny Elfman on Creating Jack's Singing Voice (Flashback)

'The Nightmare Before Christmas' turns 30! In this ET flashback, composer Danny Elfman explains how he created Jack Skellington's singing voice. Danny shares how he went from just writing the music to providing vocals for Jack! He also weighs in on how the Pumpkin King is a combination of himself and producer Tim Burton.