Wolfgang Amadeus Mozart's Horn Concerto No. 1 in D major, K. (412+514)/386b was written in 1791. The work is in two movements. Unusually, each movement received a distinct number in the first edition of the Köchel catalogue:

• I. Allegro 4/4 (K. 412)
• II. Rondo (Allegro) 6/8 (K. 514)