In terms of chords and melody, Etude in C Major Op 10 No 1 is more complex than the typical song, having above average scores in Chord Complexity, Melodic Complexity, Chord Progression Novelty and Chord-Bass Melody.
Etude in C Major Op 10 No 1 is written in the key of C Major. According to the Theorytab database, it is the most common key in all of popular music. See the C Major Cheat Sheet for popular chords, chord progressions, downloadable midi files and more!