That is a masterful work of animation. A mixture of film genders (noir, musical, comedy, judgment) and a narrative with different versions of the same crime (like Rashomon by Kurosawa). Finally i would like to call attention for the strong reference to sexuality almost banned from the mainstream cartoons. The traces of the cartoon are superb too! They are a trademark of UPA style. They are just essential and not full of empty virtuosity in the Disney style. Free from the repetition of the characters based series as Maggoo, the work of studio is much more interesting. The strategy of the lines being sung by the characters preview such works as Les Parapluies de Cherbourgh (1964) by Jacques Demy. Although the work of UPA would be associate mostly with social commentary about middle class American values it was far from be restricted just to it. I recommend it.