The Symphony No. 80 in D minor, Hoboken 1/80, is a symphony composed by Joseph Haydn in 1784 as part of a trio of symphonies that also included symphonies 79 and 81. It is one of the relatively few later symphonies by Haydn to be in the minor mode. Symphony 80 is highly structured with both outer movements in sonata form. There is a common (though not strict) modulation pattern seen in all four movements.
The symphony is scored for flute, two oboes, two bassoons, two horns and strings and is in the typical four movements:
The first movement opens with a theme in the cellos accompanied by tremolos in the strings evoking a strong sense of Sturm und Drang. After the second theme provides a brief respite in the relative major, the music becomes turbulent as it transitions again. What follows is a very striking expositional coda which is a light, dancing theme featuring Lombard rhythms and scored for solo flute and first violin against a pizzicato bass. The development begins with quirky coda theme in the remote key of D flat major and then slowly works it up the scale until it reaches A major followed by another grand pause and then the theme is repeated again in the relative major of F major. From there, Haydn blurs the lines between development and recapitulation as he has done in previous minor key symphonies. The first theme reappears in D minor, but it still appears to be part of the development. By the time the second theme appears in the parallel major of D major, it is evident that this is indeed the recapitulation and the movement drives home with odd expositional coda theme finishing the movement off in the appropriate key of D major. Haydn does not mark the second half of this movement with repeat signs.