[snip] double-blind [snip] randomized [snip]

Tony, you've just put a hole in my long-cherished theory that nobody in the audiophile business has ever done a proper double-blind test. (Although your description doesn't make it clear whether even the experimenters didn't know which order the tracks came in until after the experiment was complete, which is the essential condition for double-blindness as opposed to single-blindness).

Peter