I need Advise!!!!!!!!!!!!?

i got tickets to see the new original broadway cast for my birthday and was very exited about it for a couple of months, but then my acting teacher tells me that i have a audition for seussical eat a great college which will look great in my portfolio, for the part of the boy, i think his name is jojo, shold i go to grease or go to the audition help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!…