What is the type of Japanese drama characterized by actors wearing wooden masks?

Which was NOT a Roman architectural type?

a. the private house b. the round temple c. the peripteral temple d. the circus e. the Colosseum

In bebop, the timekeeping role was often assigned to

a. the pianist, who played a stride-style rhythm in the left hand b. the drummer, who maintained a steady rhythm on the bass drum c. the bass player, who maintained a steady walking bass line d. the guitarist, who strummed chords on every beat