Related Clues:

• Annina in 'Der Rosenkavalier'
• A chorus line
• Like a certain sax
• '___ voltaje!' (Spanish warning)
• Choir voice
• Like some singing
• Novelty singing feature
• ___-relievo
• Quartet member
• See 14-Across
• Singer
• Kind of clef
• Choir part
• Kind of flute
• Part of a chorus