Related Clues:

• See 1-Across
• One who sings the part of Boris Godunov
• ___ profundo
• Quarter of a quartet, maybe
• Violist's clef
• Countertenor
• Doo-wop part
• Kind of horn
• See 24-Down
• Kind of sax
• See 19-Across
• Choir section
• Trujillo ___ (Puerto Rican city)
• Low voice
• Annina in 'Der Rosenkavalier'