By the 1980s, cable TV catapulted the ______ _____ to prominence; it rivaled radio in ability to influence music sales.

Combo style jazz began in

a. New York City b. New Orleans c. Kansas City d. Chicago

Balaban & Katz introduced what major innovation in their theaters in 1917?

A. the pipe organ B. babysitting service C. air conditioning D. the live vaudeville act