Brass is a metallic alloy composed primarily of copper and zinc, with small amounts of other elements added for specific properties. It is a type of yellowish or reddish-brown metal that is known for its unique combination of properties, such as its attractive appearance, malleability, ductility, and acoustic properties. Brass has been used for various applications throughout history, including musical instruments, plumbing fixtures, decorative items, ammunition casings, and more. The proportion of copper and zinc in brass can vary, resulting in different types of brass with varying properties and characteristics. Brass is commonly used in a wide range of industries due to its versatility and desirable properties.