Three people playing rock music , one of them is wearing a hat and a black pants with a black t-shirt and singing and playing the guitar .
There is a better than even chance that a trio of rock musicians play their music at a wedding .
There is a better than even chance that a trio of rock musicians play their music at a wedding .
It is impossible that a trio of rock musicians play their music at a wedding .
A trio of rock musicians play their music at a wedding .