Related Clues:

• Rule out major key in opening music
• Prevent (something) from happening
• Rule out or eliminate
• Rule out piece of Chopin, say, covering his head
• Rule out what's initially captured in introduction
• Rule out C found in musical work
• Prevent Chopin initially plugging one of his compositions?
• Rule out report of how lazy compiler acquired crossword?
• Rule out overture to include music finale
• Bar in park is about to introduce drinks in guide that appeals to cruciverbalists
• Render impossible
• Bar in park is about to open for dinner - it's in guide that appeals to cruciverbalists
• Rule out solution already hinted at when editor returned
• Rule out / what spin doctors do [Faulty clue – ed.]