Peter Pan Live
airs on December 4 on NBC as a follow-up to last year's highly successful live broadcast of The Sound of Music
, starring Carrie Underwood
. Williams may not have Underwood's vocal chops, but Girls
fans already know that she can carry a tune
. Walken, on the other hand, tells Entertainment Weekly
s "not a good singer" but that his performance will take a page from a late stage.