![05 September 2020, Saxony-Anhalt, Halberstadt: Rainer O. Neugebauer, Chairman of the Board of Trustees of the John Cage Organ Foundation Halberstadt, speaks to the guests in the Burchardi Church before the sound 05 September 2020, Saxony-Anhalt, Halberstadt: Rainer O. Neugebauer, Chairman of the Board of Trustees of the John Cage Organ Foundation Halberstadt, speaks to the guests in the Burchardi Church before the sound](https://c8.alamy.com/comp/2CFG6Y1/05-september-2020-saxony-anhalt-halberstadt-rainer-o-neugebauer-chairman-of-the-board-of-trustees-of-the-john-cage-organ-foundation-halberstadt-speaks-to-the-guests-in-the-burchardi-church-before-the-sound-change-of-john-cages-piece-of-music-organ2aslsp-on-the-right-in-the-picture-is-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-proj-2CFG6Y1.jpg)
05 September 2020, Saxony-Anhalt, Halberstadt: Rainer O. Neugebauer, Chairman of the Board of Trustees of the John Cage Organ Foundation Halberstadt, speaks to the guests in the Burchardi Church before the sound
![Don't stop the music: a chord change goes to plan in 639-year-long performance of a John Cage organ composition Don't stop the music: a chord change goes to plan in 639-year-long performance of a John Cage organ composition](https://www.art-critique.com/wp-content/uploads/2020/09/46826221312_c5815cc2b4_o-scaled.jpg)
Don't stop the music: a chord change goes to plan in 639-year-long performance of a John Cage organ composition
![31 August 2020, Saxony-Anhalt, Halberstadt: Rainer O. Neugebauer, Chairman of the Board of Trustees of the John Cage Organ Foundation Halberstadt, walks through the Burchardi Church. In the background is the organ, 31 August 2020, Saxony-Anhalt, Halberstadt: Rainer O. Neugebauer, Chairman of the Board of Trustees of the John Cage Organ Foundation Halberstadt, walks through the Burchardi Church. In the background is the organ,](https://c8.alamy.com/comp/2CEMK2C/31-august-2020-saxony-anhalt-halberstadt-rainer-o-neugebauer-chairman-of-the-board-of-trustees-of-the-john-cage-organ-foundation-halberstadt-walks-through-the-burchardi-church-in-the-background-is-the-organ-which-has-been-playing-john-cages-piece-of-music-organ2aslsp-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-2CEMK2C.jpg)
31 August 2020, Saxony-Anhalt, Halberstadt: Rainer O. Neugebauer, Chairman of the Board of Trustees of the John Cage Organ Foundation Halberstadt, walks through the Burchardi Church. In the background is the organ,
![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)