JWHassler/Haessler – Keyboard Sonata in A minor (NOT WFBach)
Thanks to buyurun, this is Sonata in A minor by Johann Wilhelm Hässler.
THIS IS NOT A COMPOSITION BY Wilhelm Friedemann Bach!!!
link to this specific composition:
http://imslp.org/wiki/Category:H%C3%A4ssler,_Johann_Wilhelm
other music sheet:
http://imslp.org/wiki/Category:Composers
