Gregorian chants were essentially hymns sung by the congregation at worship services

Which of the following was NOT an early New Orleans dance bandleader?

a. John Robichaux b. "Papa" Jack Laine c. Papa Celestin d. Count Basie

? What Columbian artist created this and other paintings detailing the treatment of Iraqi prisoners at the prison at Abu Ghraib?

A. Trigo Piula B. Julian Schnabel C. Fernando Botero D. Anselm Kiefer