The E-Flat tuba is a brass instrument known for its deep, rich sound. It is commonly used in orchestras, concert bands, and brass ensembles. The instrument is pitched in E-flat, which means it sounds a minor sixth lower than written. Typically made of brass, the E-Flat tuba has a wide bell and a series of valves that allow players to change pitches. It is often favored for its lighter weight and smaller size compared to other tubas, making it easier to handle for younger musicians and in marching bands.