50 ([return])
[ Mozart afterwards composed a rondo, mentioned by his father (September 25, 1777), to the Concerto in B major (207 K.) for Brunetti.]

51 ([return])
[ Car. Pichler, Zeitbilder, p. 149.]

52 ([return])
[ The piece is in E flat major; the viola part is written in D major, and was to be tuned half a tone higher, both to give it a clear sound and to make the execution easier.]

53 ([return])
[ Schubart, Aesthet. d. Mus., p. 233.]

54 ([return])
[ Mus. Real-Ztg., 1789, p. 240.]