Related Clues:

• It usually has a key Greek letter as written
• It may be broken into on Broadway
• See 15
• See 9
• See 17
• See 6
• See 28
• Air that's more usually seen in cheerleaders
• Notes sound on 1 down, say, almost unfit
• Let's face it - it's barred!
• I reckon to retire with 100 to score
• Going for it's a snip
• It is scored for players, not by them
• It has the like of Polyhymnia mostly in charge?
• I can start after reversing aggregate score