<Li> Largo (in E ♭ major) </Li> <Li> Allegro (in F minor) </Li> <P> There is some debate as to whether the four concertos were written to accompany four sonnets or vice versa . Though it is not known who wrote these sonnets, there is a theory that Vivaldi wrote them himself, given that each sonnet is broken down into three sections, neatly corresponding to a movement in the concerto . Whoever wrote the sonnets, The Four Seasons may be classified as program music, instrumental music that intends to evoke something extra-musical and an art form which Vivaldi was determined to prove sophisticated enough to be taken seriously . </P> <P> In addition to these sonnets, Vivaldi provided instructions such as "The barking dog" (in the second movement of "Spring"), "Languor caused by the heat" (in the first movement of "Summer"), and "the drunkards have fallen asleep" (in the second movement of "Autumn"). The Four Seasons is used in the 1981 film The Four Seasons along with other Vivaldi concertos for flute . </P>

Vivaldi's quattro stagione is a musical depiction of