![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
![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)
The world's slowest musical composition, John Cage's 'As Slow as Possible,' changes chord for first time in seven years - CNN Style
![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
![TIL the longest piece of music written - John Cage's ASLAP (As SLow As Possible), which began in 2001 and is scheduled to end in 2640... 639 years later. : r/todayilearned TIL the longest piece of music written - John Cage's ASLAP (As SLow As Possible), which began in 2001 and is scheduled to end in 2640... 639 years later. : r/todayilearned](https://external-preview.redd.it/yGuv_w7WpfSllgvkUVMt7N4bJYiahUIgWN-3zvO-SgU.jpg?auto=webp&s=18b752aa15fc8aab7baca5b92254bdc71413304a)