Possible Clues:

• Tchaikovsky favorite
• Tchaikovsky composition excerpted in Disney's "Fantasia"
• 'The -- --', selection of eight musical numbers from a ballet by Tchaikovsky
• Dance music fan daft really, dismissing Queen
• With 'The,' Tchaikovsky work that ends with 'Waltz of the Flowers'
• With "The," Tchaikovsky work that ends with "Waltz of the Flowers"
• Some Russian music fan, crazy, entirely losing head
• Squirrel's nest?
• Music much heard in December
• Music from a ballet gets enthusiast mad, quite losing head