"In thinking about the best musicals, I had to reflect, of course, on the traditional view we all have of the genre--you know, those kind of movies with people rather surrealistically breaking out into song. But I also felt I had to mix in nods to musical bio-pics, animated films, films in which instrumental music was central to the picture, and films in which dancing--sans singing--takes center stage. I also admit I need perhaps more exposure to films in this genre, particularly musicals from the '30s and "40s. That said, based on (1) tunefulness, (2) overall quality, (3) relevance to genre, and (4) influence. - filmicability.blogspot.com