Extreme speed-up example

Here is a direct comparison between the original Ian Hobson recording of the Chopin/Godowsky Etude No. 27 (after Op. 25 No. 2) and the accelerated Hatto version, which is sped up by just over 20%.

Ian Hobson original

Hatto version (accelerated)

Extreme slow-down example

Here is a direct comparison between the original Paolo Giacometti opening of the Schumann Piano Concerto in A minor, Op. 54 and the Hatto version, which is slowed down by just over 33%.

Paolo Giacometti original

Hatto version (slowed down)