This organ will play one composition until 2640

Sowetan · 🇿🇦 public South Africa · Aug 05, 2026 · 673 words · By Associated Press

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What to know about This organ will play one composition until 2640

A small organ in eastern Germany is the headliner of the world’s slowest concert.

Claims checked 19

Techniques found 0

Topics 0

Coverage spectrum

Coverage gap: Low Left coverage

Left0%

Center100%

Right0%

4 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

A small organ in eastern Germany is the headliner of the world’s slowest concert.

Why it matters

It has been playing the same piece of music by composer John Cage at a glacial pace for nearly 25 years.

Common ground

A rare chord change on Wednesday, from seven notes to eight when an A4 pipe is added, will represent the completion of about 4% of the 639-year endeavour of the John Cage Organ Project Halberstadt.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Follow-up questions

What concrete event or decision sits underneath the headline: This organ will play one composition until 2640?
What evidence would most clearly confirm or weaken the claim that The project has transformed the Burchardi Church, which was left largely in ruins before money was raised for a new roof and other fixes to make the piece a reality?
What should readers watch for in the next update to know whether the story is changing?

open_in_new Read the original article: https://www.sowetan.co.za/entertainment/2026-08-05-this-organ-will-play-one-comp…

fact_checkClaims Checked

eFinder analyzed this article and checked 19 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

schedule Pending 9

check_circle Corroborated 7

verified Verified By Reference 1

info Single Source 1

help Insufficient Evidence 1

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Claim 1: “The project has transformed the Burchardi Church, which was left largely in ruins before money was raised for a new roof and other fixes to make the piece a reality.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 2: “Organ builder Johannes Hüfken said the pipes he’s crafted will last at least another 500 years.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 3: “Wednesday’s event will mark the piece’s 17th chord change.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

verified

Claim 4: “Cage, an American avant-garde composer, was born in Los Angeles in 1912 and died in New York in 1992.”

VERIFIED BY REFERENCE

Wikipedia confirms John Cage was an American composer born on September 5, 1912, and died on August 12, 1992. While the specific cities (LA and NY) are standard biographical facts for Cage, the dates are explicitly verified by the provided Wikipedia snippet.

schedule

Claim 5: “The most popular and iconic piece by John Cage is ‘4′33′ (Four Minutes, Thirty-Three Seconds), composed in 1952.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

info

Claim 6: “While the project commenced in 2000, the performance began on September 5 2001, Cage’s 89th birthday”

SINGLE SOURCE

While the general project is well-documented, the specific start date of September 5, 2001 (Cage's 89th birthday) is not explicitly corroborated across the provided evidence snippets, although the project's existence in 2001 is mentioned.

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wikipedia NEUTRAL — Organ²/ASLSP (As Slow as Possible) is a musical piece by John Cage and the subject of the second-longest-lasting (after Longplayer) musical performance yet undertaken. Cage wrote it in 1987 for organ,…
https://en.wikipedia.org/wiki/As_Slow_as_Possible

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wikipedia NEUTRAL — Rainer O. Neugebauer (born January 16, 1954, in Wilhelmshaven, Germany) is a German educationalist, historian and social scientist.
https://en.wikipedia.org/wiki/Rainer_O._Neugebauer

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wikipedia NEUTRAL — The rib cage or thoracic cage is an endoskeletal enclosure in the thorax of most vertebrates that comprises the ribs, vertebral column and sternum, which protect the vital organs of the thoracic cavit…
https://en.wikipedia.org/wiki/Rib_cage

+ 3 more evidence sources

schedule

Claim 7: “Inheritable “final tickets” for the September 4 2640 event are being sold for €2,640 (R49,813).”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

help

Claim 8: “The interpretation of the composition in Halberstadt has resulted in the smallest unit being one month long.”

INSUFFICIENT EVIDENCE

No evidence was provided in the search results regarding the 'smallest unit' of the composition being one month long.

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Claim 9: “An electric-powered blower system sends wind into the organ to create a continuous sound.”

CORROBORATED

Two independent web sources explicitly describe the use of an electric-powered blower system to send wind into the organ for continuous sound.

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web search NEUTRAL — An expression pedal is an important control found on many musical instruments including organs, electronic keyboards, and pedal steel guitar. The musician uses the pedal to control different aspects o…
https://en.wikipedia.org/wiki/Expression_pedal

travel_explore

web search NEUTRAL — An electric-powered blower system sends wind into the organ to create a continuous sound. A chord change, done manually, means that the sound of the organ pipes changes either because new sounds are a…
https://www.usnews.com/news/entertainment/articles/2026-08-0…

travel_explore

web search NEUTRAL — Organ builder Johannes Hüfken explains that the pipes he’s crafted for this piece will last at least another 500 years. Part of the mechanism is an electric blower system that sends wind into the orga…
https://theviolinchannel.com/john-cage-organ-performance-cha…

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Claim 10: “It has been playing the same piece of music by composer John Cage at a glacial pace for nearly 25 years.”

CORROBORATED

Web search results from AP and HuffPost confirm the organ has been playing a piece by John Cage for nearly 25 years. Wikipedia confirms the piece 'Organ²/ASLSP' is by John Cage.

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wikipedia NEUTRAL — John Milton Cage Jr. (September 5, 1912 – August 12, 1992) was an American composer, artist, and music theorist. A pioneer of indeterminacy in music, electroacoustic music, and non-standard use of mus…
https://en.wikipedia.org/wiki/John_Cage

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wikipedia NEUTRAL — Nicolas Cage (born Nicolas Kim Coppola; January 7, 1964) is an American actor and film producer. He is the recipient of various accolades, including an Academy Award, a Screen Actors Guild Award, and …
https://en.wikipedia.org/wiki/Nicolas_Cage

+ 3 more evidence sources

schedule

Claim 11: “The next is set for October 5 2027, when the overall sound will be reduced by the E4 pipe.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

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Claim 12: “with a silent pause that lasted until February 5 2003, when the first chords could be heard inside the medieval Burchardi Church in Halberstadt.”

CORROBORATED

Multiple sources confirm the first chords were heard on February 5, 2003, inside the medieval Burchardi Church in Halberstadt.

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wikipedia NEUTRAL — Halberstadt (German pronunciation: [ˈhalbɐˌʃtat] ; Eastphalian: Halverstidde) is a town in the state of Saxony-Anhalt in central Germany, the capital of Harz district. Located north of the Harz mounta…
https://en.wikipedia.org/wiki/Halberstadt

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wikipedia NEUTRAL — The Halberstadt Cathedral or Church of St Stephen and St Sixtus (German: Dom zu Halberstadt) is a Gothic church in Halberstadt in Saxony-Anhalt, Germany. It was the episcopal see of the Bishopric of H…
https://en.wikipedia.org/wiki/Halberstadt_Cathedral

+ 3 more evidence sources

schedule

Claim 13: “The time frame was chosen to be a tribute to a historic organ in Halberstadt that dates back to 1361, or 639 years before the project was initiated in 2000”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 14: “The piece instructs performers not to play their instruments for the entire duration of 4 minutes and 33 seconds.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

schedule

Claim 15: “The piece will last 639 years, from 2001 to 2640.”

PENDING

This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.

check_circle

Claim 16: “A rare chord change on Wednesday, from seven notes to eight when an A4 pipe is added, will represent the completion of about 4% of the 639-year endeavour of the John Cage Organ Project Halberstadt.”

CORROBORATED

AP News and Young Post Club both confirm that a rare chord change represents approximately 4% completion of the project and that the project is a long-term endeavor ending in 2640 (which aligns with the 639-year duration from 2001).

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+ 3 more evidence sources

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Claim 17: “The ORGAN²/ASLSP (As SLow aS Possible) composition is scheduled to finish on September 4 2640.”

CORROBORATED

Multiple sources, including AP News and other web results, explicitly state the performance is scheduled to conclude in 2640.

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wikipedia NEUTRAL — As Long As Possible (ASLAP) (2015–2017) is a 1,000-year long animated GIF made by Finnish artist Juha van Ingen. It premiered at Kiasma National Museum of Contemporary Art in Helsinki on 28 March 2017…
https://en.wikipedia.org/wiki/As_Long_As_Possible

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+ 3 more evidence sources

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Claim 18: “A small organ in eastern Germany is the headliner of the world’s slowest concert.”

CORROBORATED

Multiple independent news sources (AP, HuffPost, and other web results) explicitly state that a small organ in eastern Germany is the headliner of the world's slowest concert.

travel_explore

web search NEUTRAL — A small organ in eastern Germany is the headliner of the world’s slowest concert. It has been playing the same piece of music by composer John Cage at a glacial pace for nearly 25 years.
https://nypost.com/2026/08/05/world-news/this-german-organ-s…

travel_explore

web search NEUTRAL — 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 by composer John Cage at a glacial pace for ne…
https://isp.netscape.com/entertainment/story/0001/20260805/9…

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web search NEUTRAL — 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 by composer John Cage at a glacial pace for ne…
https://www.huffpost.com/entry/worlds-slowest-concert-wont-e…

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Claim 19: “Jeffrey Lependorf, executive director of the John Cage Trust in New York”

CORROBORATED

The John Cage Trust official 'About' page and Guild Hall both confirm Jeffrey Lependorf as the Executive Director of the John Cage Trust in New York.

travel_explore

web search NEUTRAL — Bio. photo credit: David Mcintyre. Jeffrey Lependorf is a composer and visual artist, and also a certified master of the shakuhachi, a traditional Japanese bamboo flute. His music has been performed a…
https://www.jeffreylependorf.com/about

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web search NEUTRAL — Jeffrey Lependorf, Director John Cage Trust 1309 Annandale Road Red Hook, NY 12571-3608.Laura Kuhn retired in 2025, succeeded by Jeffrey Lependorf as its first new Executive Director since the foundin…
https://johncage.org/about.cfm

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web search NEUTRAL — Jeffrey Lependorf, a composer, musician, and visual artist, serves as Executive Director of the John Cage Trust and also directs the Art Omi: Music international musicians residency program, a collabo…
https://www.guildhall.org/people/jeffrey-lependorf/

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.