Related Clues:

• Sound from the bleachers
• Strikers' commotion
• Canticle
• Sing
• Emulate a hazan
• Sound from a monastery, maybe
• Words from a crowd
• Part 3 of the question
• Sound from a coven
• Music from the monks
• Intonate
• Rooters' refrain
• Monastery sound
• Crowd noise
• Shout from the stands