Starts small, gets big... then smaller, then REALLY big... then small again. Kind of like a turtle. Actually, it is entirely possible that I just kept seeing different turtles. I mean, they all sort of look like turtles; I wasn't tagging them or marking them with chalk or anything. Chalk will probably just wash off in the pond anyway. Oh! Kind of like a puffer fish! Like a musical puffer fish! Perfect. You can download this in uncompressed format here. Download comes with individual tracks so you can make your own mixes.