World’s slowest, longest concert.

A performance of John Cage’s organ piece As Slow As Possible began in the Burchardikirche in Halberstadt in September 2001; the performance is scheduled to take 639 years. The concert began on 5 September 2001 with a rest lasting 17 months. On the dates of the sound changes the church is usually well visited.

via Halberstadt – Wikipedia, the free encyclopedia.

Doing it German style!