Mathematics, 16.11.2020 18:10, neariah24

In western music, an octave is divided into 12 pitches. For the film Close Encounters of the Third Kind, director Steven Spielberg asked composer John Williams to write a fivenote theme, which aliens would use to communicate with people on Earth. Disregarding rhythm and octave changes, how many five-note themes are possible if no note is repeated?

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In western music, an octave is divided into 12 pitches. For the film Close Encounters of the Third K...