[http://youtu.be/BKezUd_xw20] (YouTube link)We alw...  ...note anywhere along the way, as they play Antonio Vivaldi 's "Summer" upside-down and backwards. All through...

Don't laugh.  This young man gives a remarkable rendition of the third ("Presto") movement of the "Summer" concerto from The Four Seasons. If you enjoy this, be sure to also view the accordion versions of Rimsky-Kors...