Billie Eilish Performs as Sally at ‘Nightmare Before Christmas’ Concert: Watch

The concert event featured a full orchestra led by conductor John Mauceri to perform the film’s score and songs live.

Elfman reprised his role of Jack Skellington, King of the Pumpkin Patch, for the show, which is also scheduled for a second night at L.A.’s Banc of California Stadium on Oct. 31.

Watch Eilish’s Friday night performance below.

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