STEVE INSKEEP, HOST:
Good morning. I'm Steve Inskeep. Hundreds gathered in a German church Sunday to hear a chord change almost seven years in the making. A custom organ has been playing a composition called "As Slow As Possible" for the past 19 years. The full piece will take 639 years. Here's a small taste of the action.
(SOUNDBITE OF MUSIC)
INSKEEP: Stay tuned for another chord change in 2022. It's MORNING EDITION. Transcript provided by NPR, Copyright NPR.