Frédéric Chopin's Variations on "Là ci darem la mano" for piano and orchestra, Op. 2, was written in 1827, when he was aged 17. "Là ci darem la mano" is a duet sung by Don Giovanni and Zerlina in act 1 of Mozart's 1787 opera Don Giovanni. Wikipedia
Composer: Frédéric Chopin
Key: B-flat major