Supemova is a compilation album created by the circle EXIT TONES to parody EXIT TUNES' Supernova series. The album was released for The Voc@loid M@ster 20 and features vocals from Hatsune Miku, GUMI, Kagamine Rin, SF-A2 miki, and IA. The crossfade can be heard on Nico Nico Douga, and the official site can be found here.