The Eb tuba is a brass instrument that belongs to the tuba family. It is pitched in the key of E-flat, making it a popular choice in concert bands, orchestras, and brass ensembles. The instrument has a large, conical shape and produces a deep, rich sound, which is essential for providing bass lines in various musical settings. Typically made of brass, the Eb tuba features three to five valves that allow players to change the pitch of the notes. It is known for its versatility and can be used in a wide range of musical genres, from classical to jazz. The Eb tuba is often favored for its lighter weight and more manageable size compared to other tubas.