Chopin’s manuscript for the Polonaise in F minor, Op. 71, No. 3, ca. 1828-29. Yale.

[youtube http://www.youtube.com/watch?v=CD_MCPsDGg0?feature=oembed&enablejsapi=1&origin=http://safe.txmblr.com&wmode=opaque&w=500&h=281]

The Dance of the Goblins (La Ronde des Lutins), Scherzo fantastique, Op. 25
Killing it! On Oistrakh’s Strad.

(Source: https://www.youtube.com/)