A recording of Gaël Liardon playing this piece in 2017 can be found here: https://www.youtube.com/watch?v=aYouUVHN5bw
Benjamin Righetti transcribed it from this recording. This is a unique piece in the oeuvre of Liardon. Mostly he writes in baroque style, but this piece is quite different. It has a romantic mood with many modulations, but surely has baroque elements in it. But that all doesn't matter. To me, this piece is a delight. Add to that the subtle Hohlflöte of this Metzler organ and pure beauty is born...