Related Clues:

• Invoices for a couple of dozen sheets, by the sound of it (5)
• Invoices for a couple of dozen sheets, by the sound of it
• The sound of many sheets for them to sing from
• Sounds like a couple of dozen sheets for the singers
• The sound of two dozen single sheets singing
• Psalm group
• Love to be surrounded by unusually rich voices
• Cathedral has one: it rates the tops
• Singers in church knocking back port
• Those with strain in voice, one being choked by endless work
• Singers in church, knocking back port
• Singers need a number of sheets to sing from
• They sing in church or outside one
• One's found in church or part of cathedral
• Band of singers