It is a strong, powerful, almost symphonic design, but decorated in the softer materials beloved of French composers. Essential to get this accent correct. Paris, France it was on the eve of something momentous, and it trembled with excitement and anticipation. As the concerto approaches the end there is a strong, upward gush of arches of music, glissandi-like. Chopin had six ears for this powerful work.
Nothing is neglected.
The perversions of tempo, rhythm, line and colour ignore proper evaluation. The players began to put on further speed, seeming to improvise the music out of a lesson Chausson had given them before the performance. Go out and give the audience a mirage of civilisation. Late things are always breathtaking. Hereabouts it is Proustian, a slip-over into the 20th century.