Hello Sonar Lights fans! This is a letter from George Miadis. A few weeks ago, I began having such excruciating back pain that the only way I could find relief was by lying flat on the floor. I guess years of hauling heavy gear (PAs, amplifiers, speakers...) came for payday... Diagnosis was bulged disc on L5 that presses S1 (sciatic nerve) on right side. Medication and other non-invasive treatments have not brought relief, and the doctors recommended back surgery, followed by