As Slow as Possible

This article is about the musical piece. For the GIF of a similar name, see AS Long As Possible (ASLAP).

St. Burchardi church in Halberstadt, Germany

Organ2/ASLSP has been playing in Halberstadt for

23 years, 2 months, 1 week and 3 days

ORGAN2/ASLSP (As Slow as Possible) is a musical piece by John Cage and the subject of the second-longest-lasting (after Longplayer) musical performance yet undertaken.[1] Cage wrote it in 1987 for organ, as an adaptation of his 1985 composition ASLSP for piano. A performance of the piano version usually lasts 20 to 70 minutes.[2]

An organ in St. Burchardi church in Halberstadt in 2001 began a performance that is due to end in 2640. This makes it the longest running non-computerized piece currently being performed. The most recent note was played on February 5, 2024. The next note will be played on August 5, 2026.

  1. ^ Oltermann, Philip (2024-02-04). "'There's a certain madness to it' … fans await new chord in John Cage gig with 616 years left to run". The Observer. ISSN 0029-7712. Retrieved 2024-02-05.
  2. ^ Rosenberg, Steve (2008-07-05). "'World's longest concert' resumes". Retrieved 2023-09-05.