And the real rebel yell doesn’t sound much like what what we think of as the rebel yell. When one person yells it, not too impressive. However, I heard a recording where they recreated it being yelled in mass and it is scary.
There’s a link in the referenced blog to the Museum of the Confederacy which sells a CD of the ‘Rebel Yell’ for $10. Might be as totally uninteresting as a CD of bagpipe music, but then again .....