Possible Clues:

• 'I wouldn't change a thing'
• 'I'd do it again!'
• See 61-Down
• Get snorer treated; you won't be sorry
• Song, for example, right to be included by tenors performing
• What Piaf had indoors at intervals — waders
• Little boy upset birds — there's an absence of contrition
• 'Not sorry that there aren't any more of these birds, either (2,7)'
• "I'd do the same today"
• 'I wouldn't have it any other way'