原文: Chopinesque Etude No. 1 in D Minor. the frequent key changes are really abrupt. Samuel Wellman. Piano Method sheet music. Advanced.
翻訳: I was sitting in my office one day a few years ago and thought, "Although he wrote 24 etudes. サミュエル·ウェルマン. ピアノメソッド楽譜. ピアノソロ楽譜.