What are some of the specific features of big-band writing, citing instrumentation, the role of the instrumental sections, and overall form?
a. Instrumentation including saxophones, trumpets, trombones, and rhythm section
b. Instrumental sections providing harmonic and rhythmic support for soloists
c. Overall form characterized by arrangements that highlight the ensemble's power and versatility
d. Instrumental sections often featuring call-and-response interaction and dynamic contrast