Possible Clues:

• Mistake rued, partly retracted in bingo?
• Sets up a bit of filming without the lead on nice street for A Cry of Joy
• After retirement, regret regular spells of weekday bingo?
• Only Greek state motto
• Exultant cry on entering English country area?
• Brussels baker flips, dismissing British discovery
• "I figured it out!"
• Losing head, wake French street up — I’ve discovered something!
• Discovery announcement
• Bingo!