Who is the executive most in charge of a TV musical special or awards show?

Why is there fragmentary knowledge of Byzantine art prior to the 9th century?

a. The ottoman turks invasion of Constantinople b. the second crusade c. the iconoclasm d. the seljuk turks capture of anatolia

Which elements common to much of jazz are missing from this selection?

a. Steady time-keeping using the ride cymbal b. Walking bass line accompaniment c. Piano or guitar comping d. Swing eighth notes e. All of the above