What has 88 keys but can’t open a single door?

Which term describes alternation between two choirs? a. responsorial b. polyphony c. antiphonal d. direct

What is the term for a recurrent musical section between various contrasting sections? a. concerto grosso b. basso ostinato c. fugue d. ritornello

What is a system which kings rulers and other wealthy individuals provided financial and other support to artists? feudalism commissions partronage all of the above !