People, Just a reminder, recording tape first started to be used by the MAJOR American record labels only in 1949 after the union "recording ban" of 1948 was over. Capitol and Decca started in May of 1949 and Columbia and RCA-Victor soon after. The smaller labels like Chess, Sun, etc. did not start actually using recording tape in their own studios until 1953-55. Anything recorded BEFORE that time would have been done to acetate disk or wax biscuits. When you talk here on the Forum about a song from the 1940's having "tape hiss", well, you mean something else. Okie dokie? It's confusing to some.. Thanks!