Corelli advanced violin technique by introducing chords and ________.

Contemporary circus has been reinvented through the work of:

A. Cirque du Soléil B. Neil Goldberg's Cirque C. Circa D. all of these

The triforium is __________.

A. the semicircular space surrounding the altar B. the layout of each page of a medieval manuscript C. a mid-level wall passageway with an arcaded screen D. a church with nave vaults and aisle vaults of equal height