…so that God is honored and praised but mankind is moved to devotion, virtue, joy, and sorrow.” ― Christoph Wolff, “Johann Sebastian Bach: The Learned Musician”
Vi Hart | Doodle Music
From Vi Hart, “Mathermusician” — A visual and musical expression of mathematical symmetry groups. The transformations done to the video are equivalent to the transformations done to the notes. These type of repeating patterns are called frieze patterns. A couple wallpaper groups are also represented.