QuickCheck: Is there a musical composition that is one thousand years long?

The 234 'singing bowls' used as a part of the 66-foot-wide orchestral instrument to perform Longplayer Live. – Longplayer.org

IMAGINE settling in for a listening session that requires not just a comfy chair but a time machine!

The idea of a musical composition that plays for 1,000 years without repeating sounds like something cooked up.