The National Ballet of Canada performs The Firebird and The Four Seasons at Playhouse Square for one weekend only Jan. 27-29. Inspired by the Russian fable, Sergey Diaghilev (1872-1927) founder of the Ballets Russes commissioned Igor Stravinsky (1882-1971) to write the music for the company's 1910 season. for tickets call 216-241-6000