The Serenade No. 6 for Orchestra in D major K. 239, Serenata notturna, was written by Wolfgang Amadeus Mozart in Salzburg, in 1776. Mozart's father, Leopold Mozart, wrote the title and a January 1776 date on the original manuscript.
It has three movements:
It is scored for
The title Serenata notturna has also been used by Robin Holloway for a work for four horns and orchestra (his opus 52, 1982).