The key of E♭ major is a musical scale that consists of the notes E♭, F, G, A♭, B♭, C, and D. It is characterized by its bright and rich sound, often used in various genres, including classical, jazz, and pop music. The key signature has three flats, which are B♭, E♭, and A♭. In terms of harmony, the E♭ major scale includes the primary chords: E♭ major, A♭ major, and B♭ major. This key is frequently associated with works by composers like Ludwig van Beethoven and Johannes Brahms, who utilized its expressive qualities in their compositions.