1915. This is a work where the reader will find a fundamental examination of spiritual and physical laws relating to the rhythmic and vibratory forces that rule in the human sphere of thought and feeling. Contents: music of other climes; energy motion, vibration; music and color tones; color values; music, a compelling power; joy rhythm, the dance; nature and art in singing; color tonics; keynote to health, harmony; from out the past; cosmic consciousness; prophets of the invisible; life's love melody; music, beauty, religion; music and character; music education; a refining influence; music therapeutics; alive to color and music; eye hath not seen.