The buccina is a brass instrument used in the ancient Roman army. It was a
tube 11 to 12 feet long and was bent in the shape of a C. What instrument
classification would the buccina fall under?
O
A. Idiophone
O
B. Aerophone
O
C. Membranophone
D. Chordophone

B. Aerophone

Explanation:

Aerophones include most woodwind and brass instruments

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.