E-flat Major is a musical key that consists of three flats: B-flat, E-flat, and A-flat. It is often associated with a bright and uplifting sound, making it popular in various genres, including classical, jazz, and pop music. Many instruments, such as the trumpet and saxophone, are commonly played in this key. In terms of scale, the E-flat Major scale includes the notes E-flat, F, G, A-flat, B-flat, C, and D. Composers like Ludwig van Beethoven and Johannes Brahms have written notable works in E-flat Major, showcasing its rich harmonic possibilities and emotional depth.