original music: Karol Szymanowski
free score: http://imslp.org/wiki/Category:Szymanowski,_Karol
piano: Carlos Márquez
from "Chopin, Szymanowski: Preludes"
https://www.amazon.com/gp/product/B00NTWIBZM
https://itunes.apple.com/us/album/chopin-szymanowski-preludes/id920586887
image: http://www.flickr.com/photos/zoutedrop/2313345496
