He was hilarious. That's one of the fun things to do is to try to get the singers to act and the actors to sing. To mix it up. Actors like Russell Crowe, Keanu Reeves and Kevin Bacon all have bands. And musicians like you are acting.
Entertainers are entertainers.
I think probably the only surprise is more people don't eat fire and juggle. Bing Crosby, great actor and singer. Dean Martin, great actor and singer. A lot of people traditionally have done it. If they didn't give you a script, then you're playing yourself.