Related Clues:

• Barbershop quartet member
• Refrain part, perhaps
• Lowish voice
• ''Mikado'' refrain
• Voices above tenors
• Male choir member
• Certain voice range
• "...bloom in the spring, ---"
• Some choir ranges
• Lohengrin, for one
• Countertenors
• Melchior, for one
• Caruso, notably
• Part of SATB
• Light refrain