Bemani

Bemani is a series of Rhythm based games released by Konami in Japan, The most well known of which is probably Dance Dance Revolution. These games usually involve the use of a special controller shaped like a musical instrument.

Besides DDR other games in the series include:
 * Beatmania
 * Guitar Freaks
 * Drum Mania
 * Keyboardmania
 * Pop'n Music
 * Para Para Paradise
 * Karaoke Revolution