[celletto]

Backtrace

backtrace (clip) [pdf]

Backtrace 8:45 celletto and interactive computer accompaniment (1988) On-the-fly algorithmic accompaniment embellishes material played by the soloist, orchestrating and echoing notes which it detects. The soloist's score is loosely based on a traditional Japanese composition for shakuhachi. control and tracking: Mac+ running MIDI Lisp, IVL Pitchrider, Yamaha MCS2 FM-synthesis and digital signal processing: Yamaha TX802 and DMP7