http://en.wikipedia.org/wiki/Ludwig_Ritter_von_Köchel
_ Mozart Sonata Kochel Nr. 457 Molto Allergro
https://youtu.be/gAvBkx-Sjj0
_ Sonate W.A.Mozart Kochel Nr.311 Mov.2
https://youtu.be/Lyylz_TuZOM
_ Mozart Sonata K. 332 1st Mov.
https://youtu.be/uX1Ag1iNEFc