Gabriel Fauré's "Papillon, op.77" arranged for 2 cellos by Eric Moore.

The second part is an accompaniment intended to be used instead of piano - it's full of fast-changing chords.

Also look for the other standard French Showpieces arranged for 2 Cellos as a digital download!
Allegro Appassionato | Apres un Reve | Elegie | Sicilienne | The Swan