Solfeggietto
Solfeggietto (H 220, Wq. 117: 2) is a short solo keyboard piece in C minor composed in 1766 by Carl Philipp Emanuel Bach. According to , the work is correctly called "Solfeggio", although the "Solfeggietto" title is widely used today. Owens refers to the work as a toccata. The work is unusual for a keyboard piece in that the main theme and some other passages are fully monophonic, i.e. only one note is played at a time. The piece is commonly assigned to piano students and appears in many anthologies; pedagogically it fosters the playing of an even sixteenth note  rhythm by alternating hands. This piece is easily Bach's best-known, to the point that Paul Corneilson's introduction to "The Essential C.P.E. Bach" is subtitled "Beyond the Solfeggio in C Minor". Owens also describes it as C. P. E. Bach's most famous work. The work is often performed by left-hand alone. The Canadian pianist Marc-André Hamelin has arranged the piece with additional voices as "Solfeggietto a cinque" for player piano. Jazz pianist Bud Powell plays the "Solfeggietto" in full before improvising on it in "Bud on Bach."