Possible Clues:

• Hungarian composer who wrote 'The Miraculous Mandarin'
• Composer finding short title all right
• Composer seen in book and craft fair
• Man of musicals, passable composer
• Béla -, Hungarian composer
• Béla - - , Hungarian composer 1881-1945
• Composer offering a bit of music to king
• Bela -, nineteenth and twentieth century Hungarian composer
• Simpson, OJ's successor who's composed
• Hungarian composer of folk music