#A musical cryptogram from 1854 – Klausis Krypto Kolumne
„A musical cryptogram from 1854 – Klausis Krypto Kolumne“ 19th century musician Maurice de Raoulx has left behind a message hidden in sheet music. Can a reader decipher it? The concept of using musical notes to encode a secret message is centuries old. Musical codes For instance, the following musical notes code was developed…