Up and down up and down
Up And Down
Jump up and bounce down
Jump! Jump! Jump!
Up and down
up and down
Up And Down
up and down
Flexing up and down
Up and down
Up and Down
Up and down
Up and down. Up and down.
down and up
Up and down, Up and down....
Up And Down
Up and down, up and down
Up and down
Up and down
Jump jump jump