Use the volume of your voice to raise the bar and hit the circles! Much like "karaoke" but with volume. *Microphone required to play game.* on the menu use up and down to scroll.
* Right click and select settings to set the sensitivity of your microphone. It is recommended that you set it rather low.
[id]http://flashgamedistribution.com/swfs/volumoke.swf[/id]