Wolfgang Amadeus Mozart's Piano Concerto No. 9 in E♭ major, K. 271, known as the Jeunehomme or Jenamy concerto was written in Salzburg in 1777 when the composer was 21 years old. Wikipedia
Composed: 1777
Composer: Wolfgang Amadeus Mozart
Key: E-flat major
Movements: Three (Allegro, Andantino, Rondo, Presto)
Scoring: Piano; orchestra
Style: Classical period