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Organ2/ASLSP, ‘As Slow as Possible’ is a keyboard work written by American avant-garde composer John Cage in the mid-1980s. The score consists of eight pages of music, to be played on the piano or organ, as the name suggests, very slowly.
When performing the piece, musicians observe the composer’s instruction. The eight pages of music are taken very slowly, and it often takes over an hour to complete the work. In 2009, organist Diane Luchese gave a rendition that lasted for 14 hours and 56 minutes. A couple years ago in 2022, Dr. Christopher Anderson from Southern Methodist University gave a 16-hour performance of the monumental work.
But all is eclipsed by a performance on a custom-built organ at St. Burchardi Church in Halberstadt, Germany. The Halberstadt performance began in 2001 with a scheduled duration of 639 years, ending in the year 2640.
The next scheduled note change will be on 5 August 2026.
Project's homepage:
www.aslsp.org
When performing the piece, musicians observe the composer’s instruction. The eight pages of music are taken very slowly, and it often takes over an hour to complete the work. In 2009, organist Diane Luchese gave a rendition that lasted for 14 hours and 56 minutes. A couple years ago in 2022, Dr. Christopher Anderson from Southern Methodist University gave a 16-hour performance of the monumental work.
But all is eclipsed by a performance on a custom-built organ at St. Burchardi Church in Halberstadt, Germany. The Halberstadt performance began in 2001 with a scheduled duration of 639 years, ending in the year 2640.
The next scheduled note change will be on 5 August 2026.
Project's homepage:

