This chime showcases a unique and beautiful sounding feature called "octave doubling." Each note appears again one octave higher than the main scale.?This expands the range of the chime while adding harmonic content and beauty to the sound. Introduced to celebrate the total solar eclipse of August 21, 2017, this chime will conjure the magic of this rare event with its ethereal music. Dimensions: L 40'' ▪ W 7''