Possible Clues:

• Scorer sadly whinges about referee from the start
• Singer cavorting around hotel with wife and composer
• He 'died on July 11, 1937, but I don't have to believe that' (John O'Hara)
• Scorer confounded whingers
• "Concerto in F" composer
• First lyricist to receive a Pulitzer Prize
• Her wings are clipped for composer
• "I like a --- tune...": "How About You?"
• Swing he composed, with bit of ragtime thrown in?
• SECOND PART OF 14