Part of the extensive and often intertwining circles of the Elephant 6 collective of experimental indie pop bands, Circulatory System grew out of the turbulent early existence of the Olivia Tremor Control. That band, formed by songwriter Will Hart and fellow Athens, Georgia popsmith Bill Doss, came to an end in 2000 (though multiple reunions would follow) and Hart instantly put together Circulatory System as a vehicle for his psychedelic leanings, cobbling the early band together from the remaining Olivia Tremor Control players and others. Neutral Milk Hotel's reclusive ringle...