Possible Clues:

• Sudden mood change
• Going on ahead, grain make a change
• A whim or a lively piece of music
• 'Impulse, whim (7)'
• Fancy putting limit on staple food
• Fancy lyricist goes beyond limit
• EU subsidy applied to Asian crop? Fancy!
• Sudden change of mood
• Fancy a hundred and thirty days on frozen water?
• Fancy cloak worn by wealthy shortened