» This is an article about the rock music band, "The Circulatory System". For the organ system, see circulatory system.The Circulatory System is a psychedelic rock musical ensemble formed by musician/painter Will Cullen Hart, and featuring Hannah Jones, Derek Almstead, Peter Erchick, John Fernandes, and Heather McIntosh. Hart is famous for his work in the Elephant Six Collective as one of the lead players in the The Olivia Tremor Control. After the band disbanded in 2000, he and most of the ot… (More on Bloodstream)