Featuring all the members of the Olivia Tremor Control, as well as Jeff Mangum and Julian Koster of Neutral Milk Hotel. Thick with textures, layered percussion, angular guitars, vibrating strings, woodwinds, and brass. Eagerly anticipated since the first record, with mounting excitement enhanced by tours with the Elephant 6 Orchestra, the Instruments, Pipes You See, Pipes You Don't, the New Sound of Numbers, Need New Body, and the Sea & Cake. The new tracks that were posted on the Circulatory System Myspace page were immediately reviewed positively by Pitchfork.