About TubaThe tuba (UK: ; US: ) is the lowest-pitched musical instrument in the brass family. As with all brass instruments, the sound is produced by lip vibration, or a buzz, into a mouthpiece. It first appeared in the mid-19th century, making it one of the newer instruments in the modern orchestra and concert band. The tuba largely replaced the ophicleide. Tuba is Latin for "trumpet".A person who plays the tuba is called a tubaist or tubist, or simply a tuba player.