The I Ching eight trigrams were conceived as images of all that happens in heaven and on earth. At the same time, they were held to he in a state of continual transition, one changing into another, just as transition from one phenomenon to another is continually taking place in the physical world.
Part of having so many goals is about balance, and balance is in a way a search for healing. Also getting in touch with the natural elements I find encourages the flow experience or being in "the zone."
Relationship between sound and color. If you could actually "hear" the extremely high frequencies the red, yellow and blue (primary color) light waves are vibrating at... you would hear a Major chord. If you could "see" the sound of notes in a major chord relative to the same "rainbow scale" used by light, you would see notes and chords in primary color