Possible Clues:

• Utters
• Maria and a Greek character produce folk music from Mexico
• Ensemble of street musicians in Mexico
• Girl beginning to cheer, greeting street musicians?
• Musician on the move
• Sombrero-wearing musician
• Mexican music traditionally performed by strolling players
• Girl “I just met” with Greek character making music in Mexico
• Mexican street musicians - I harm CIA (anag.)
• Traditional group of strolling Mexican musicians