A 639-Year Concert, With No Intermission for Coronavirus - The New York Times
The world's slowest musical composition, John Cage's 'As Slow as Possible,' changes chord for first time in seven years - CNN Style
Slowly does it: chord changes in John Cage's 639-year-long organ piece | Germany | The Guardian
John Cage musical work changes chord for first time in seven years - BBC News
A 639-year-long John Cage organ piece had a very rare chord change. And it was... - Classic FM
What is the longest song in history?
John Cage Organ Project in Halberstadt
See First Sound Change in 7 Years in John Cage's 639-Year-Long Song – Rolling Stone
A Visit to John Cage's 639-Year Organ Composition | Red Bull Music Academy Daily
As Slow As Possible, une pièce de John Cage qui ne s'achèvera qu'en 2640 - rtbf.be
What is the longest song ever recorded? Top 10 contenders - Legit.ng
The Longest Piece of Music - YouTube
As Slow as Possible - Wikipedia
ASFSP - John Cage's "As Slow As Possible", played as fast as possible - YouTube
Column: This is the longest, slowest concert ever. It began 21 years ago and is just getting started
John Cage Organ Project in Halberstadt
A 639-year-long John Cage organ piece had a very rare chord change. And it was... - Classic FM
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
Discover the Longest Song in the World: A 639-Year Performance of the John Cage Composition Called "Organ/ASLSP (As Slow As Possible)" | Open Culture
Vexations - The Longest Piano Piece | ThePiano.SG
John Cage chord change: what's the story behind 'As Slow As Possible'? - Classic FM
A Dangerous and Evil Piano Piece | The New Yorker
Curious Fact of the Week: The Slowest Song - Atlas Obscura
World's longest song drones on
This is How You Perform a Piece of Music 1,000 Years Long | by The Long Now Foundation | Long Now | Medium
