I only recently (and quite belatedly) stumbled across the Pierian Recording Society's realization of Alexander Scriabin's pianism as reproduced through piano rolls that he made in Moscow in 1910. Beyond being astounded by his rubato, I was struck by how jazzy his interpretation was - it sounds less like a mazurka and more like a foreshadowing of Bill Evans and Herbie Hancock.
As a means of comparison, here is Vladimir Sofronitsky performing Op. 40 No. 2:
And Scriabin's version:
