Explanation:
Its unique interval is that between 6-7 -- the whole plus half step (or augmented 2nd). It can be thought of as a natural minor scale with a raised 7 scale degree.
Mozart was a prodigy at the piano and was composing music by the time he was four years old. His music is known and renowned worldwide, including pieces such as Eine Kleine Nachtmusik, Sonata in C Major, and operas such as Don Giovanni and The Marriage of Figaro.
The answer is composition.