Possible Clues:

• Tuneful
• Agreeable to the ear of model upset by debts
• Yours truly, large and offensive? Sweet!
• Sporty or Scary Spice — awful or nice to listen to?
• Musical yours truly left? Repulsive!
• Fashion model promises to pay for sweet
• 'Sweet' cheese dish unfinished - revolting
• Promises to pay after endless strain - music to the ears!
• Although it's all nice, by the sound of it, it's horrible in the end