Related Clues:

• Skin, e.g.
• Heart or lung, e.g.
• 'Rock of Ages' accompaniment
• Cathedral instrument
• Periodical
• Reed site
• Company newsletter
• Liver or lung
• Ballpark player
• Hymn accompaniment
• Instrument
• It has a lot of stops
• Sunday player?
• Donor's offering
• Mass instrument, often