Arguably the most essential ingredient in jazz is: A) rhythm ...

[Charlie]

Arguably the most essential ingredient in jazz is:
 
  A) rhythm (syncopation).
 
  B) improvisation.
 
  C) the front-line instruments.
 
  D) the standards.

Question 2

Before the development of the classic blues style of the 1920s, blues was
 
  a. 12 bars long with a standard chord progression
 b. flexible in form, governed by the text
 c. organized by call-and-response statements
 d. in AABA song form

[jxjsniuniu]

Answer to Question 1

B

Answer to Question 2

b