Past Performances of Before the Change
| Date/Time | Location | Artist/Players | 
|---|---|---|
| 1972-08-06, 8:00 PM | University of New Hampshire Concert Hall, Durham, NH USA | Electronic Music Concert | 
| 1972-10-24, 8:00 PM | University of Maryland, Baltimore Campus, Baltimore, MD USA | Electronic Music Concert | 
| 1972-11-18, 3:00 PM | Arizona State University Concert Hall, Tempe, AZ USA | Electronic Music Concert | 
| 1974-03-08 | Midnight Theater Concert Series, Baltimore, MD USA | Electronic Music Concert |