Piano Sonata Number 16
From Memory Alpha, the free Star Trek reference.
The Piano Sonata #16 in C Major, K. 545 is a musical work composed by Wolfgang Amadeus Mozart in the late 18th century.
Commander Charles Tucker played the first movement of the piece ("Allegro") for the Cogenitor in his quarters aboard the Enterprise NX-01 when the Vissian had requested asylum aboard the ship. (ENT: "Cogenitor")
