E♭ Minor is a musical key that consists of the notes E♭, F, G♭, A♭, B♭, C♭, and D♭. It is known for its dark and somber sound, often used in various genres of music, including classical, jazz, and rock. The key signature of E♭ Minor contains six flats, making it one of the more complex keys to play. Many composers and musicians have utilized E♭ Minor in their works. Notable pieces include Frédéric Chopin's "Nocturne in E♭ Minor" and Ludwig van Beethoven's "Piano Sonata No. 32." The key's emotional depth makes it a popular choice for expressing feelings of melancholy and introspection.