Links to some valuable information on music and color theory and more
Rhythmic light by Fred Collopy
The most full and honorable source of knowledge about light to sound correspondences. Started in 1998 and still growing!
Encyclopedia of Microtonal Music Theory
A very deep resource about all the subtleties and complexities of music theory by [Joe Monzo](
Music animation machine
A life long project of Stephen Malinowski – he manually animates music pieces into nice visual playalongs. He uses blue color for the tonic (C) and accending colors for every next step of a fifth.