Possible Clues:

• Church gallery for a large keyboard instrument
• Sort of long art gallery in church, perhaps
• Section of cathedral undergoing renovation for a long time
• Church feature, behold, covered by two newspapers
• Basilica balcony
• Church feature recollected for a long time
• Church music source
• High notes coming from here in church?
• Part of church in need of repair for a long time
• Elevated position for voluntary performer