Best Video/Synchronized metronoms (メトロノーム同期 (32個))

{{Application:Wikilook Blog/Article
 * blog=Best Video
 * module=Article
 * author=Gaijin
 * publishingtimestamp=2012/10/05 18:00
 * title=Synchronized metronoms (メトロノーム同期 (32個))
 * categories=Science
 * leading=Synchronized metronoms.
 * text={{ Widget YouTube Advanced | id = JWToUATLGzs | width = 560 | height = 315 | language = en_US }}