computer [memory machines] Christopher Tignor engineer Christopher Tignor engineer Peter Karl grand piano Margaret Kampmeier mastered by Michael Perez-Cisneros photography [outer photo] Jared Bell songwriter [songs by] Christopher Tignor The acoustic performances on tracks 1, 3, and 5 are followed by live remixes using Christopher's Mnemonica and StreamSequencer software instruments. These programs allow real-time sampling and transformation of live sound using a keyboard controller. On Cathedral, Christopher plays Mnemonica alongside Margaret and Colin, sampling from a microphone inside the piano. Additional analog effects were also used throughout.