639-Year Organ Recital: John Cage's ORGAN2/ASLSP

Construction began in 2000 in a small East German town on an organ with a singular purpose: to perform John Cage's ORGAN2/ASLSP (1987) for precisely 639 years. The only instruction for the piece was to play 'as slowly as possible'. In 2001, the instrument finally ready, the world's longest organ recital began in St Burchardi church, Halberstadt, with a 17-month rest before the first chord. Recently, hundreds witnessed the latest chord change in this ongoing performance. A system of sandbags maintains pressure on the keys, eliminating the need for a human organist.
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