Possible Clues:

• Greek character, a failure, consuming bit of tonic with a lot of rage -- and wine
• Fruit portion in crumbles
• Red wine
• One leaves piano having played intro -- it goes down well in wine bar?
• Wine grape variety
• Wine portion in cocktail
• Type of red that makes good rouge, presumably
• In portion produced for consumption in Burgundy for one
• Red opinion confused with right wingers?
• Product of Champagne country