Share this postA Piece of the Pi: mathematics explainedThe symmetry of musical key changesCopy linkFacebookEmailNotesMoreThe symmetry of musical key changesRichard GreenJul 01, 2023∙ Paid7Share this postA Piece of the Pi: mathematics explainedThe symmetry of musical key changesCopy linkFacebookEmailNotesMore3ShareThe Tonnetz (German for “tone network”) is a diagram representing musical tonal space, originally developed by the mathematician Leonhard Euler in 1739. In the diagram, the red triangles correspond t…This post is for paid subscribersSubscribeAlready a paid subscriber? Sign inPreviousNext