Related Clues:

• Unprepared to give a daughter party
• Spontaneous work by Hamilton in final decline
• Troublesome minor workers' organisation holding dance without warning
• Lark for troublemaker, thus oddly unrehearsed
• Without much planning I am arriving on time at university
• Speak unpreparedly
• Unexpected line from one playing sad librarian
• Off-the-cuff remark from good timekeeper at university
• Unplanned; composition
• Unplanned; instrumental piece
• Spontaneous terror spree before middle of autumn
• Compiler is ready — solver reportedly unprepared
• A politician's memory? Put freely, it's makeshift
• Go off line?
• Make up one's lines