Radwimps – アルトコロニーの定理 [Arutokoroni No Teiri] (2 x Vinyl, LP, Album, Limited Edition)

Altocolony no Teiri (アルトコロニーの定理, Arutokoronī no Teiri, "The Altocolony Theorem") is Japanese rock band Radwimps' fifth album, released on March 11, 2009. The album was certified platinum by the Recording Industry Association of Japan, and as of 2011 is tied for their most commercially successful work with the band's previous album, Radwimps 4: Okazu no Gohan.

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