A work for four cellos based on J. S. Bach’s Suite n.5 for solo cello. It is part of the "Transformation" series that attempts to transport Bach’s oeuvre into the modern era, to convert Bach’s writing into that of today. The work is composed of four successively played parts. Though the sonority is completely different, each part is closely related to Suite n.5.

Part 1 Densité (density): each semiquaver from the beginning of the prelude is extended to form dense chords.

Part 2 Chant (song): a ...