A wide bar chromatic alto glockenspiel add-on with an additional chambered wood box using the sharp/flat key wide body tone bars to be played along with a diatonic wide bar glockenspiel to have a full chromatic instrument.
The note range included are C#5, D#5, F#5, G#5, Bb5, C#6, D#6, F#6, G#6.
The note range included are C#5, D#5, F#5, G#5, Bb5, C#6, D#6, F#6, G#6.