Lift up your hearts, my brothers, high, higher! And don't forget about your legs either! Lift up your legs as well, you good dancers, and better yet--stand also on your heads!
During 'Saturday Night Fever' at the end of the first act dance number I tried to perform a split-jump, only I can't do them so I ended up on my ass followed by the most unsightly backward roll out of it, followed by the cast falling over in laughter and a good portion of the audience too.