the BBC documentary Prog Rock Britannia: An Observation in Three Movements. On April 26, 2007, Riley gave a live performance of A Rainbow in Curved Air (Revisited). Necessarily, he had to be assisted by other performers: Willi Wynant on percussion and Mikhail Graham working synthesizers and samples. Track listing All composition and performances by Terry Riley. "A Rainbow in Curved Air" – 18:39 "Poppy Nogood and the Phantom Band" – 21:38 Personnel Credits adapted from liner notes. Terry Riley - electric organ, electric harpsichord, Rocksichord, dumbec, tambourine, saxophone David Behrman - producer Glen Kolotkin - engineer, technician Roy Segal - engineer John Berg - artwork, front cover montage Virginia Team - back cover References 1969 albums CBS Records albums Terry Riley albums Albums produced by David Behrman