Answer: I hope this helps
Explanation:
William D. Revelli was an American music educator and conductor best known for his association with the University of Michigan, where he directed the university's bands including the Michigan Marching Band 1935 to 1971.
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!
I am not sure but I think the answer might be B: (light meter, aperture, exposure) because they can either photoshop and or use different filters and edit with certain apps.