M (1931) was Fritz Lang’s first attempt at sound cinema, after an impressive corpus of silent classics including the Dr. Mabuse trilogy and Metropolis , the highly expressionist style of which earned him the epithet- the “Master of Darkness.” To be making films during the dawn of sound era, the filmmakers had the privilege and the license of exploring many unchartered territories- the effects of sound as incorporated with motions and images was a vitalising experimentation for many; given the luck and the inherent ingenuity an innovative work of art was engendered. Such is not to write off the many legendary figures as merely “chancing upon” innovations whilst experimenting without a definite aim, but to underline Lang’s remarkable assurance and skill of tackling a new medium like an old hand- as a seasoned auteur whose previous films were noted for their austerity of technique and style, Lang, throughout his long career, never once explored or experimented like a reckless adven...