Lizzo will perform on "Saturday Night Live" on NBC on April 12. In this file photo, she arrives at the Vanity Fair Oscar ...

It's "boop-oop-a-doop" for a musical that needs a good spritz of Pooph from David Foster, making his Broadway debut.

The musical, original songs for which the Grammy winner penned, is now in performances in the Broadhurst Theatre in New York ...