A man is singing into a microphone while standing on a stage with instruments and musical equipment on the floor around him .
It is improbable that there 's a man on stage who fancies himself a musician .
It is almost certain that there 's a man on stage who fancies himself a musician .
It is improbable that there 's a man on stage who fancies himself a musician .
There 's a man on stage who fancies himself a musician .