When most jazz groups improvise, they most often: a. Play ...

[jessicacav]

When most jazz groups improvise, they most often:
 
  a. Play completely unstructured improvisations
  b. Begin by playing a tune they all know, then improvise a new melody over the tune's accompaniment chords before ending again with tune's melody
 c. Decorate the tune by changing some of the rhythms or adding notes to it
  d. Create the melody and the chord accompaniment on the spot

Question 2

Which of the following descriptions does not fit jazz music?
 
  a. Music that is associated with the jazz tradition
  b. Music that has swing feeling
  c. Music with improvisation
  d. Music that relies exclusively on composed parts

[uniquea123]

Answer to Question 1

b. Begin by playing a tune they all know, then improvise a new
melody over the tune's accompaniment chords before ending
with the tune's melody

Answer to Question 2

d. Music that relies exclusively on composed parts