The statement merely acknowledges that RR recordings are known for their wide dynamic range (R128 dynamic range is 22.2LU on the track discussed) and that they are often chosen to demonstrate that at audio shows. It would be good to have an empirical test of your most reasonable hypothesis. I tried to tell my wife I was gold/silver color blind but it didn't work. This John Curl designed amp is a legend in audio. ,1752'8&7,21 7kdqn