Possible Clues:

• Being shown at present: danger arising and I'm not surprised!
• It's hardly surprising there's a lack of awe
• 'Oh, that explains it!'
• 'Oh, duh!'
• Description of a Motown show without Stevie?
• ''Oh, that's why!''
• Nothing marvellous and I'm not surprised
• "Ah, that explains it!"
• "I'm not surprised!"
• Twelve bears with brightly coloured backs: hardly unexpected