Michael Haydn's Symphony No. 24 in A major, Perger 15, Sherman 24, MH 302, was written in Salzburg in 1781.
Scored for 2 flutes, 2 oboes, 2 bassoons, 2 horns, posthorn.[1] and strings, in three movements:
The posthorn gets a solo in the Trio of the Minuet.[2]