Answer:
In the 1965 classical movie <em>The Sound of Music, </em>52-year old actor Christopher Orme Plummer was 36 years old when he starred in said movie.
Ethnomusicology ~ music study in many cultural contexts
Music History ~ study of Western art music
Music Theory ~ analyze music from a historical perspective as well as develop new techniques for analyzing current trends in music composition
Systematic musicology ~ Umbrella term for musicology
