【chiptune/chiptronica】 Saitone - Overlapping Spiral "Overlapping Spiral収録"
http://www.nicovideo.jp/watch/sm13681247
![【Visualizer】Saitone - Overlapping Spiral [Chiptune/Chiptronica]](https://nicovideo.cdn.nimg.jp/thumbnails/13681247/13681247)