Related Clues:

• Number that's added?
• Rerun
• Bonus from the band
• "Play more!"
• Extra item at end of concert
• Extra couple of numbers?
• Cry after a stunning performance
• Final song at a concert, often (... first 4)
• Crone released energy in concert finale
• Call for more RE once, strangely
• 'Sing another one!'
• "Sing another one!"
• Shout at the end of a virtuoso performance
• "One more song!"
• Literally, French for 'again'