Possible Clues:

• 'Listen up, Luis!'
• Luis's "Listen up!"
• '___ Como Va' (1971 Santana hit)
• "Listen up," to Luis
• Santana "___ Como Va"
• 'Listen up,' to Luis
• Juan's 'Hey!'
• 'Listen up, Lucia!'
• Hernando's 'Hey!'
• Gloria Estefan's '___ Mi Canto'