If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Rain down the beats on Hip Hop Doggy. Use the left/right arrows to shake out the tunes--the funkier the groove, the better the score. Give yourself air with the Space bar to avoid crashing into the massive speakers.
Left/Right Arrow- To shake out the tunes.
Space bar- To push up.