Mozart - horn concerto no.4-3rd movement - Classical Loop - 2.6MB - 0:14 - Wolfgang Amadeus Mozart's Horn Concerto No. 4 in E-flat major, K. 495 was completed in 1786. III. Rondo (Allegro vivace) 6/8. The most famous of Mozart's Horn concertos better known as "The Horn Concerto" French Horn.