Translations:Mr. Popo/10/en
From DragonMineZ Wiki
Rhythm is a four-lane rhythm game: press the keys as each note crosses the hit line and hold the long notes. Play it from Mr. Popo inside the Time Chamber 3 times reaching level 5 to learn it; after that you can replay it from the Minigames tab of your menu, and starting it from Mr. Popo pays a +25% mentor bonus.