hmmmChopin's Nocturnes Beethoven's Easier Sonatas Mozart's Sonatas Mozart's Fantasies Chopin's Easier EtudesChopin's Preludes Haydn's Sonatas Debussy's Children's Corner Debussy's Arabesque 1 & 2Debussy's Preludes Bk.1 Bach's Well-Tempered Clavier Bk.1 Bach's Fuguettas Debussy's Pour le Piano I'm currently mastering Clair de lune right now. It's a beautiful piece; I think if someone played Clair de Lune if I'm depressed, I'll become the warthog and Timon in The Lion King. Jesus, the Lion King's so old....
Please no, those Chopin pieces are played to death and a lot of people will die a little inside :/Okay, a little over exaggerated... But seriously.
The prelude you mentioned is far below Clair de Lune. The nocturne is just a little under. The pieces I mentioned are played far less and of much better thematic content, and it's refreshing to hear something outside of the same ten pieces everyone loves of Chopin.
Played fairly often, but still worth learning. Schubert's Op 90.
If you want to continue with Debussy, his 1st Arabesque and Nocturne (1892) are great choices.Among Chopin works, I would recommend the posthumous Nocturne in C-sharp minor and the Raindrop Prelude.From the classical era, I love Haydn's Adagio Cantabile, the second movement of his Piano Sonata in E-flat major Hob.XVI:49.
I recommend all of Chopin's Preludes
There are 4 works of Schubert's which are Op 90. Surely you don't mean that only one is "note"able...