Which of the following was a tonal innovation in free jazz?

The first jazz band recording was made in

a. 1923 b. 1915 c. 1926 d. 1917

How did Beethoven give an unprecedented sense of breadth in the relatively small space of the orchestra?

a. inserting an intermission between the third and fourth movements b. adding new instruments such as piccolo and contrabassoon c. writing a program that explains the expansive landscapes evoked in the music d. all of the above