Whats a good song to sing?

i am auditioning for a play soon and i have no idea of what to sing. i am thinking about rollin in the deep by adele or every time we touch ? if you can give me a different song or help me pick one of those that will help. also i am 12 if that helps also just pretend that i can sing the song really good even if i can or not i got people to help me with if it sounds good so plz give me a song to sing