Possible Clues:

• City known for its sparkling wines
• Barbera d'__: Italian wine
• Spumante lead-in
• Wine-growing region
• Moscato d'___ (Italian wine)
• ___ spumante (Italian wine)
• Sparkling Italian export
• Italian wine district
• -- Spumante (wine)
• Barbera d'___ (Italian wine)