According to the book Liberty Records by Michael B. Kelly, they had a fake radio station: KJAN. They mixed contemporary pop hits with their own rough garage recordings. It was probably as jarring as it sounds. But this was all before they cut their first acetate for Arwin records. More here.
"He even printed up some stationery for KJAN radio, a station that did not really exist except as a tape recorder, which he [Jan] used to play DJ and provide music for school parties. His cohorts in this included Dean Orm Torrence(aka KDOT) and Don Altfeld."