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What are Tubas made out of?
What is "Brass" - The primary raw material used for making standard tubas is brass. Brass is an alloy composed of copper and zinc. 70/30 blend of copper and zinc. This material is yellow in color and malleable. Other types of brass are also used when different effects are desired. For example, red-gold brass, which is composed of 80% copper and 20% zinc, provides a more gold color and a slightly different sound. Silver brass that includes copper, zinc, and nickel is also used.