File consists of material relating to publicity for the Warwick Foundation's AIDS benefit program on June 30, 1990 (Los Angeles, CA), the first event to use HDTV from production to projection and the first commercial music performance transmitted live in HDTV, shown in six major US cities through the use of Electrohome ECP 3000 and ECP 4000 high definition projection systems. Includes edited draft and final news releases, copies of an information booklet for volunteer video technicians, photocopies of press clippings about HDTV, typed notes, and other material.