Years ago I had listened to that improvisation by Keith Jarrett but still sublime. This music brings me back in the 70's and remember my grandmother cologne water and a sweet fragrance that is light, a feature of Proustian union to spontaneous music of the seventies. I think Keith Jarrett, the day of her delivery, was taken by a lightness of grace and lyrical. What touched in this mixture of classic and jazz, he perfectly mastered the deconstruction of a passage to another. His creative sensitivity is fully expressed linked to a perfectly mastered technique. This is of course listening to calm and carefully as certain passage are a delicacy