George Stadnik is a lumia artist, practising since 1968. You can see examples of his work at: http://www.photonlightguitars.com. He has created instruments such as the photon guitar and the optic nerve -
The Photon Guitar (tm)
The photon guitar is a "patented manual instrument enables the artist/performer to intuitively and directly manipulate form, colors and patterns to create and project moving, kaleidescopic images."He also uses digital technology to create digital lumia - compositions of ambient visual music
The Photon Guitar (tm)