Watch Online Free HD Solarmovies. Like Fantasia (1940) or Allegro Non Troppo (1977), L'Opéra Imaginaire (1993) is an assembly of animated short films based on classic music greats. Directed by some of the best European animators and artists, L'Opéra Imaginaire takes us through dance, theater, music and painting masterpieces. It uses several animation techniques, like stop-motion clay animation or CG characters.