Possible Clues:

• Fantastically great concert, absurd performance
• Small carriage can't possibly accommodate figure that's enormous
• Supersize
• Great
• Jumbo seen in show with an act that's often repeated
• Really great performance — furious father’s left
• Massive caper briefly following concert
• Concert, absurd performance, extremely great
• Massive performance opposed by Conservative
• Tremendous performance against Conservative