Related Clues:

• Members of church often in rhythm initially
• Singers and band in rich arrangement
• Band of singers in some papers reportedly
• Those who don't need preaching to in section of church
• No gaps in cargo ship for the singers
• Unfinished tedious work overwhelms current vocal group
• Homophone for a paper measure
• Task mostly incorporating one group of singers
• People in church half-peeping round front of organ
• "Glee" club
• "You're preaching to the __!"
• Ones fully agreeing with you, metaphorically
• 'Hallelujah!' singers
• Robed group in a loft
• "Carmina Burana" performers