Organ to Play Until 2640: World's Slowest Concert Redefines Music

A small organ in eastern Germany has become the headliner of the world's slowest concert. It has been playing the same piece of music until 2640. This was reported by Qazaqyia.kz citing Associated Press.

The organ of the John Cage organ project was illuminated prior to a 'sound change' at the Buchardi Church in Halberstadt, Germany, Sept. 5, 2020. This photo was taken by AP photographer Markus Schreiber.

Organ builder Johannes Huefken adjusts a new pipe for a test at the John Cage organ project inside the Buchardi Church in Halberstadt, Germany, July 6, 2026. This photo was taken by AP photographer Matthias Schrader.

Curator Anneli Borgmann, chairwoman of the John Cage Organ Project Halberstadt's board of trustees, lifts a new pipe for a test at the John Cage organ project inside the Buchardi Church in Halberstadt, Germany, July 6, 2026. This photo was taken by AP photographer Matthias Schrader.

Organ builder Johannes Huefken works on organ pipe for the John Cage organ project at his work shop in Halberstadt, Germany, July 6, 2026. This photo was taken by AP photographer Matthias Schrader.

The organ of the John Cage organ project was illuminated prior to a 'sound change' at the Buchardi Church in Halberstadt, Germany, Sept. 5, 2020. This photo was taken by AP photographer Markus Schreiber.

HALBERSTADT, Germany (AP) — A small organ in eastern Germany is the headliner of the world's slowest concert. It has been playing the same piece of music.