The Symphony No. 23 in D major, K. 181/162b, by Wolfgang Amadeus Mozart was dated as complete on May 19, 1773. It is sometimes called "Overture", even though the autograph score bears the title "Sinfonia". The symphony is scored for 2 oboes, 2 horns, 2 trumpets, and strings.
Mozart wrote the symphony as a single uninterrupted movement consisting of 3 distinct tempi: