Answer:
Musicologists and Ethnomusicologists
Explanation:
Someone who studies how people make and listen to music in various cultures is a Musicologists or Ethnomusicologists.
Swing era also referred to as Big Band era
Answer:
Romanesque churches designed with heavy wall pointed or round arches, vaults, and piers for columns. Romanesque architecture came to Europe after the crusade when Europeans went for religious war. Crusaders get to know the architectures of Byzantine Empire, built with thick wall, with fortifications. The metalworking also came for the fitting and decoration of buildings.