Google Maps beat machine

Location: *

Playで再生,バーをドラッグすると地図上の高度に合わせて音色が変化します.海にボールを落とすと...(Chromeのみで動作します.)

It starts when you press the Play button. Bar represents the elevation of the land. It is draggable.
When you drag it to the sea, please pay attention to the sound. The sound can be played on Chrome.