באך, יוהן סבסטיאן   (1750-1685) Bach, Johann Sebastian  


Invention in D major, BWV 774 
[[http://ks.petruccimusiclibrary.org/files/imglnks/usimg/4/46/IMSLP220282-WIMA.47e5-Bach_Inv3_BWV774(AA).pdf|תווים]]