 After initially considering and then rejecting the suggestion that  Dopey would be the star of what he saw as the ultimate "Silly  Symphony", Walt decided that his favorite, Mickey Mouse (a character  which Walt was worried about what his further career on the silver  screen is concerned), should play the key role in an animated  special featuring the music "LApprenti Sorcie" (The Sorcerers  Apprentice) by French composer Paul Dukas instead.