"Knee Play 1" unfolds over a constantly repeated bass in the organ called a(n) __________

The term "impluvium" refers to

a. a pool for catching rainwater. b. an entrance to an interior atrium. c. a series of engaged columns used for decorative purposes. d. a formal reception room within a luxurious Roman home.

Which part of the Gothic motet generally maintained a traditional line based on ecclesiastical chant?

A. alto B. soprano C. tenor D. bass