Serenade for Orchestra No. 9 in D major K.320
Wolfgang Amadeus Mozart

131

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Nicknamed the Posthorn, this is Mozart at his most frivolous and enjoyable

Though he wrote this piece for a simple university ceremony, it has turned out to be one of his more enduring works thanks to a stellar horn solo.

Much of Mozart's music was written for the purpose of mere entertainment, commissioned as it was required to delight courtly patrons and various important folk.

That didn't stop Mozart making much more of it than was necessary. Why shouldn't he provide this functional music with astonishing emotional depth and inventive solos? By the time we hit the famous horn solo itself (which gave the serenade it's nickname, the Posthorn), we've cycled through some surprisingly disparate emotional states and, guess what? It's all been thoroughly entertaining as well.