Possible Clues:

• Went back on stage
• Extended a performance, in a way
• Requested an extra song
• England's opening pair, gutted, played again
• Called for more (or played more) at the end of a performance
• Asked to repeat from middle through finale
• Asked to come back, in a way
• Wanted a gain, perhaps, with the middle in the end
• Asked to repeat the number?
• Red cone (anag.)