l-vislz5.htm
SU TONE CIRCLE
(Gabriele Lucchini, 2017-10-31)

In relazione alla "visualizzazione" in >>>l-vislz.htm
segnalo in Google le immagini relative a "tone circle"
e i riferimenti a John Coltrane.


John Coltrane Draws a Picture Illustrating the Mathematics of Music
http://www.openculture.com/2017/04/the-tone-circle-john-coltrane-drew-
to-illustrate-the-theory-behind-his-most-famous-compositions-1967.html