Show light blends with music in invention by woman philadelphia A basic patent tor for nn an invention to blend light with music lias has been granted to sirs mrs mary ilal lock Creen greenwalt walt mrs greenwalt has been conducting experiments in the blending of light and sound for 27 years sho she believes that her patent Is the first granted tor for a new means of expressing human emotions in rhythmic form while Is being rendered re by singer violinist pianist or ot orchestra chestra mrs Green walte walts apparatus floods the perfo performer riner with lights of varying intensity the fluctuations in light are intended to enhance the emotional and intellectual appeal of the music the apparatus may be operated with a ke keyboard deboard board years of training in music of professional fess ional Liper experience lence as a concert pianist of study of physics mechanics physiology and psychology went into the achieving of the results now recognized by tile the granting of the basic patent mrs greenwalt was born in beirut syria the daughter of samuel and sara tabet hallock Ual loch she came to the united states when a girl of eleven after she left school she took up the studs stud V of mimic |