F minor is a musical key that is characterized by its somber and introspective sound. It consists of the notes F, G, A♭, B♭, C, D♭, and E♭. This key is often used in various genres of music, including classical, jazz, and popular music, to evoke emotions such as sadness or longing. In the context of music theory, F minor is the relative minor of A♭ major, sharing the same key signature of four flats. Composers like Ludwig van Beethoven and Frédéric Chopin have utilized F minor in their works, showcasing its expressive qualities through different musical forms and styles.