up and down and up and down
Up and Down
Up and down
Bouncing up and down :)
Up and down
Up and down
Up and down they go
Up and down
Up and down
round and round they go
Up and down
Up and Down.
up and down
Up and Down
Up-and-down
up and down
Up and Down
Up and down
Up and down, Up and down....
Up out and down...