By my perspective it is smooth.
Either bipolar disorder or depression would be my guess
Answer:
An ethnomusicologist is someone who studies music, in a scientific way, as an aspect of culture. They can compare music of different cultures or study the evolution of music with respect to a certain culture, particularly indigenous cultures.
Example: Bela Bartok started his career as an ethnomusicologist studying European folk.
Hope this helps!
Answer is A, tempo markings tell the performer the speed of the music.
