The answer is D I know this because I did this last year.
Answer: Metre, rhythm and tempo
Explation: Swing rhythms are heard- quavers are uneven and give a triplet feel to the beat. early blues music was very slow but got faster as the style developed. walking bass lends a steady rhythm to the music.
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Answer:
It's traditional music from the on going world. Music that goes around the world. It's a musical category passing many different styles of music from around the world, including traditional music, quasi-traditional music, and music where more than one cultural tradition.
Credits to: Wiki
sudden volume changes are known as subito dynamics