Related Clues:

• Holiday song
• Sing
• The Brady Bunch mom
• 'God Rest Ye Merry, Gentlemen,' e.g.
• Hymn of praise
• Hymn
• Tribute
• 'Good Christian Men, Rejoice,' e.g.
• Choir piece
• 15-Across, e.g.
• ''Joy to the World,'' for one
• You may hum it Sunday
• Song to Apollo
• 'O Sanctissima,' e.g.
• William Cowper composition