The actual performance commenced in the St. Burchardi church on September 5, 2001 with a pause lasting until February 5, 2003. The first chord was played from then until July 5, 2005. The most recent new chord from the organ was a three-note chord, A above middle C, C above middle C and the F# above that (A4-C5-F#5), which began on January 5, 2006 and will conclude on July 5, 2012. This sonority can currently be heard on a website devoted to the Halberstadt event.

via As Slow As Possible – Wikipedia, the free encyclopedia.