Possible Clues:

• Following the hay, by the sound of it, comes this for the magician
• Sounds as if the newspapers get to follow 27 across for the magician
• Fast passage for others in shipping line
• Magician's magic word
• "--- change-o!"
• Cry just before a rabbit appears?
• Hey! That's a poster for the magician
• Tip of finger caught in dressing fast
• This follows the sound of the hay as if by magic
• Quick! The city's lost its North End