Up and down
Slowly up and down
Bouncing up and down
Sliding up and down
Up and down
Up and down
Up and down
Up and down
Up And Down
Bouncing Up And Down
Up out and down...
up and down 😛
Jumping up and down
Smooth 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!