Yet that's exactly what happened during a concert last night at the Molson Canadian Amphitheatre.
All it took was one fan with enough courage to write on a sign, "It's my birthday, can I play drums?"
You never know until you ask and that has never proven to be truer than at this performance. Go on and take a chance because who knows what great unexpected outcome you might get!
You might end up playing drums for the Foo Fighters.