The four rules are as follows: 1. Don't be alarmed. Ignore the switch between songs, 2. On point dance moves and synchronization is a must~ dance along to the new track, 3. Five chances in total! Minus 10 points for every mistake, 4. Get an additional 50 points for completing the bonus mission.
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Will they be able to beat the "Know-All-Beat" challenge? Check out the video above.