The incredible design of this instrument means that whether you are a musician playing “Amazing Grace” or a beginner just playing around you can create beautiful sounds. The instrument can be used for enjoyment, as a musical instrument, to meditate or for sound therapy. The QUARTZOPHONE® L1 is the official trademark name of the Crystal Lyre. Sell's online from $1800 - $2000. Asking $1150 for this used instrument. Specifications: Pure Quartz! The eight crystal tubes (99.9%SiO2) are permanently in tune to the octave of the C major scale. The tubes are mounted with keys, strings and metal pins on a transparent acrylic base. Weight is less then 2 kilograms Max Dimensions: Height 51cm / Width 57cm / Depth 9cm Can be played by holding in one hand, laying on a flat surface or mounted on its stand. Tubes can be individually replaced in the unlikely case of a breakage. Check this link for a music sample: https://www.youtube.com/watch?v=aEbtbBhQOTo&t=21s