[BMS AutoPlay] longtone - nameless percussionist

EVENT：わずか1分1秒で楽しめるBMSイベントhttps://web.archive.org/web/20161206042956/http://cineraria-studio.com/minimani/event.php?eve_id=1

https://www.youtube.com/watch?v=aMrg0zdB3UE