F Minor is a musical key that consists of the notes F, G, A♭, B♭, C, D♭, and E♭. It is known for its darker and more somber sound compared to major keys. The key signature of F Minor has four flats, which are B♭, E♭, A♭, and D♭. In Western music, F Minor is often used in various genres, including classical, jazz, and popular music. Composers like Ludwig van Beethoven and Frédéric Chopin have created notable works in this key, showcasing its emotional depth and expressive qualities.