Select the letter of the correct answer. The Article primarily discusses
A. some of the unwritten rules that most early jazz
musicians followed, including playing as an ensemble
B. how Louis Armstrong revolutionized music with his
legendary trumpet solos and distinctive voice
C. some of the cover songs that today's singers perform
by singing someone else's song in a way that fits their
own style
D. how Louis Armstrong criticized U. S. President Dwight
D. Eisenhower's handling of school desegregation