At its peak, around 600 CE, the population of Teotihuacán is believed to have been about _________, making it one of the world's largest cities at the time

Musical phrases often conclude with a pattern of two chords called a(n)

a. octave b. tonic key c. modulation d. cadence e. scale

The harpsichord produces sound when

a. a solid felt hammer strikes a metal string b. a solid felt hammer strikes a metal rod c. a quill or plectrum plucks a string d. a quill or plectrum plucks a metal rod e. a metal hammer strikes a metal string