![The John Cage Organ-art project is pictured at Saint Burchardi church in Halberstadt, Germany, 24 September 2013. A piece of the avantgarde composer and concept artist John Cage is presented on an The John Cage Organ-art project is pictured at Saint Burchardi church in Halberstadt, Germany, 24 September 2013. A piece of the avantgarde composer and concept artist John Cage is presented on an](https://c8.alamy.com/comp/DF8173/the-john-cage-organ-art-project-is-pictured-at-saint-burchardi-church-DF8173.jpg)
The John Cage Organ-art project is pictured at Saint Burchardi church in Halberstadt, Germany, 24 September 2013. A piece of the avantgarde composer and concept artist John Cage is presented on an
![31 August 2020, Saxony-Anhalt, Halberstadt: The organ of the John Cage Organ Foundation Halberstadt inside the Burchardi Church. The organ has been playing the music piece "ORGAN2/ASLSP" by John Cage without interruption 31 August 2020, Saxony-Anhalt, Halberstadt: The organ of the John Cage Organ Foundation Halberstadt inside the Burchardi Church. The organ has been playing the music piece "ORGAN2/ASLSP" by John Cage without interruption](https://c8.alamy.com/comp/2CEMK17/31-august-2020-saxony-anhalt-halberstadt-the-organ-of-the-john-cage-organ-foundation-halberstadt-inside-the-burchardi-church-the-organ-has-been-playing-the-music-piece-organ2aslsp-by-john-cage-without-interruption-since-2001-it-is-said-to-last-639-years-on-saturday-september-5-2020-the-14th-sound-change-of-the-john-cage-organ-art-project-halberstadt-is-scheduled-in-addition-to-the-previous-five-pipes-c16-des16-dis-ais-and-e-there-will-be-two-new-pipes-g-sharp-and-e-the-next-sound-will-last-until-february-5-2022-when-the-g-sharp-will-disappear-again-if-everythin-2CEMK17.jpg)
31 August 2020, Saxony-Anhalt, Halberstadt: The organ of the John Cage Organ Foundation Halberstadt inside the Burchardi Church. The organ has been playing the music piece "ORGAN2/ASLSP" by John Cage without interruption
![31 August 2020, Saxony-Anhalt, Halberstadt: The organ of the John Cage Organ Foundation Halberstadt inside the Burchardi Church. The organ has been playing the music piece "ORGAN2/ASLSP" by John Cage without interruption 31 August 2020, Saxony-Anhalt, Halberstadt: The organ of the John Cage Organ Foundation Halberstadt inside the Burchardi Church. The organ has been playing the music piece "ORGAN2/ASLSP" by John Cage without interruption](https://c8.alamy.com/comp/2CEMK3K/31-august-2020-saxony-anhalt-halberstadt-the-organ-of-the-john-cage-organ-foundation-halberstadt-inside-the-burchardi-church-the-organ-has-been-playing-the-music-piece-organ2aslsp-by-john-cage-without-interruption-since-2001-it-is-said-to-last-639-years-on-saturday-september-5-2020-the-14th-sound-change-of-the-john-cage-organ-art-project-halberstadt-is-scheduled-in-addition-to-the-previous-five-pipes-c16-des16-dis-ais-and-e-there-will-be-two-new-pipes-g-sharp-and-e-the-next-sound-will-last-until-february-5-2022-when-the-g-sharp-will-disappear-again-if-everythin-2CEMK3K.jpg)
31 August 2020, Saxony-Anhalt, Halberstadt: The organ of the John Cage Organ Foundation Halberstadt inside the Burchardi Church. The organ has been playing the music piece "ORGAN2/ASLSP" by John Cage without interruption
![The world's slowest musical composition, John Cage's 'As Slow as Possible,' changes chord for first time in seven years - CNN Style The world's slowest musical composition, John Cage's 'As Slow as Possible,' changes chord for first time in seven years - CNN Style](http://cdn.cnn.com/cnnnext/dam/assets/200907084239-03-john-cage-organ-art-project-chord-change-restricted.jpg)