Related Clues:

• Sills song
• Dvorak's "Rusalka," e.g.
• Horse follower
• Gounod production
• "Tommy," e.g.
• Soloist's showcase
• Cantata tune
• Met offering
• Song for Madama Butterfly
• Part of a score
• 1997 Andrea Bocelli album
• Type of house or glasses
• Sung drama
• Massenet creation
• Diva's offering, maybe