SHUFFLE!!!!! is a compilation album first released at Comic Market 81. It contains 8 tracks, sung by Hatsune Miku, Kagamine Rin, Kagamine Len, Megurine Luka, MEIKO and GUMI.
A crossfade of the album can be heard on Nico Nico Douga.
The album is purchasable on Toranoana and D-STAGE.