Watch the video above to see how he did (spoiler alert: pretty impressive given that it was on the fly).
Nick is in the Tony-award winning musical "Falsettos" currently playing at the SHN Golden Gate Theatre. You can find tickets here.
Watch ABC7's "Midday Live" every weekday at 11 a.m., right after "The View."
You can also stream it live or watch it on the ABC7 News App.