Piano Sonata no. 18 in D major, K.576

The Piano Sonata No. 18 in D major, K. 576, was composed by Wolfgang Amadeus Mozart as part of a set of six for Princess Frederica Charlotte of Prussia in 1789. It is often nicknamed "The Hunt" or "The Trumpet Sonata", for the hornlike opening. The sonata, having a typical performance duration of about 15 minutes, is Mozart's last. It was the only one of the intended set of six.