In the Classical period the piano replaced the harpsichord as the favored keyboard

Olafur Eliason's installation The Weather Project was initially criticized as being "mere" entertainment for

a. using rather ordindary materials. b. attracting so many visitors to view it. c. for disturbing visitors with its melancholy d. for showing visitors the construction elements

The Double Portrait of Giovanni Arnolfini and his Wife represents the significance of __________ in fifteenth-century Northern European art.

A. economics B. politics C. mathematics D. philosophy