has just changed chord. A specially-created organ is playing a famous piece of music, called As Slow as Possible, which is one of the longest and slowest music compositions in existence.

But then, the tub-thumping final maestoso begins with a series of huge organ chords – Saint-Saëns piles in trumpets, horns, quadruple winds, cymbals and even a piano played four-hands.

The composition plays on a specially built mechanical organ in a church in Germany The longest - and slowest - music composition in existence had a big day on Monday - it changed chord for the ...

According to the BBC, volunteers added another pipe to the mechanical organ in order to create the new sound. The adjustment on February 6 marked the 16th chord change for As Slow As Possible ...