The tuba is a brass instrument that is played through lip vibration into a large mouthpiece. The tuba is a regular member of a brass ensemble and many popular bands. For example, the tuba is a commonly used instrument in jazz. The practice of playing the tuba in jazz began in New Orleans, and became well-known through its use in the Louis Armstrong groups. Some people achieved great success with the tuba, such as Bill Barber.
The answer is B The first and third note are quarter notes for which only take one beat, the middle note is an eight note which also only takes one beat!