What was unique about the manner in which the Modern Jazz Quartet ...

[mpobi80]

What was unique about the manner in which the Modern Jazz Quartet performed?
 
  a. they performed in tuxedos with the serious demeanor of classical musicians
 b. they refused to acknowledge the audience at all
 c. they improvised on melodies chosen by the audience
 d. they frequently invited gospel and soul musicians to sit in with them

Question 2

What obligation did Haydn have to the Esterhzy family after he returned from his concert tours of London?
 
  a. To provide symphonies and string quartets whenever the Prince desiredone.
 b. To compose one polyphonic Mass each year.
  c. He had no obligations to the family.
  d. To write two oratorios.

[zacnyjessica]

Answer to Question 1

a

Answer to Question 2

b