There are some hidden meanings in the music. The seven key changes represent the seven colors of the rainbow. The three key signatures represent the three primary colors. The entire piece represents the array of light and color mixed together, always changing...never stagnant or dull. The primary key of G was chosen because all the bells could be used in a four octave set (excluding G#3) with the lowest tone, of course, being G. This work is 70 measures.