oddmusic: the chrysalis foundation
Next >>


Click here to listen to a sample of the Glassdance


The Glassdance, which consists of 48 revolving tuned crystal glasses, belongs to a relatively rare family of friction instruments. It was inspired by Benjamin Franklin’s ‘glass armonica’ and is by far the most complex instrument Cris Forster has built to date. In the detailed graphic (click here to view detail), note that the stems of the glasses are mounted through the centers of red sprockets. A variable speed motor coupled to a modular drive transmission rotates the glasses. Consequently, a performer may play two or more glasses simultaneously. This instrument has a remarkable sensitivity to touch, and a rich variety of tones and timbres.

Built: 1982–1983, San Diego, California.

Total number of glasses: 48.
Length of stand: 55 ½ in.
Height of stand: 42 ½ in.
Width of stand at wheels: 42.0 in.
Overall height of instrument: 76 ½ in.

Lead crystal glass, Douglas fir, birch, teak, mahogany, aluminum, brass, and steel.

Lowest glass: G above middle C.
Highest glass: Third G above middle C.


Home           The Gallery           Featured Sections           Forums            Resources            Links           Contact           About
Copyright Oddmusic © 1999-2007