I learned in a class once that speedball or powerballing is slang for the IV combination of heroin and cocaine.

Anyway, this is upbeat touhou happy hardcore ish arranges with mostly BPM > your resting heart rate.

First 8 songs are instrumental and the remaining ones have vocals.

Album art: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=33169910

15 tracks