With Musical Cryptography, Composers Can Hide Messages in Their Melodies

OUT OF THE MANY TROPES in TV and literature, espionage is one that spurs drama and intrigue for viewers and readers alike. A budding protagonist wants to convey a secret message in a letter or text, but must scramble the message so discreetly to avert the eager antagonist’s gaze. Will the message send through securely? The suspense always deadly.

One unexpected form of transmitting such messages is through music. It’s better known as music cryptography, which is a method in which the musical notes A through G are used to spell out words, abbreviations, or codes.

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