What relatively new digital market for music that was a source of mechanical royalties surging into the billions of dollars globally faltered in recent years?

The "father" of the modern skyscraper is __________

A) Antoni Gaudi B) Victor Horta C) Hector Guimard D) Louis Sullivan E) Frank Lloyd Wright

Bebop musicians most often performed

a. in large dance halls where fans sat at tables to listen b. in movie theaters, because clubs wouldn't hire them c. in cramped bars or nightclubs d. in public venues reminiscent of those of early brass bands