No. 2 in A flat, Op. 34 No. 1

Whose song is No. 2 in A flat, Op. 34 No. 1?

Artist Album
Frederic Chopin
Best Of Great Composers: 18 - Chopin, 18 Waltzes
Fryderyk Chopin
Tonight Chopin: 19 Waltzes (feat. piano: Nikita Magaloff)