Possible Clues:

• Repeated song part
• Backers singing about god in Luxor
• Song’s main refrain
• Repeated part of song about ancient deity
• Singers from Switzerland or America
• Section of oratorio or such? Could be
• Church singing group
• Line for a Broadway show?
• Alternative accepted by such poor singers
• 'How does it feel ...,' in Dylan's 'Like a Rolling Stone'