Possible Clues:

• By the sound of it, that's the bally thing, for the sake of the law in it
• In which performance ankle was broken?
• Siegfried, initially pale, has a reddish hue in ballet
• The bally thing that's at the back of 20 down?
• Beautiful bird-ballet by Tchaikovsky
• Was ankle twisted in the ballet?
• Might ale make one swank about that bally place, by the sound of it?
• Tchaikovsky's ballet about noble bird
• Ballet to satisfy? Content's weak
• Ankle was broken producing a ballet