It's a somewhat interesting question. One of my favorite recent albums [1] is at A = 366Hz. That's literally the case (the A string on the fiddle is tuned to

It's a somewhat interesting question. One of my favorite recent albums [1] is at A = 366Hz. That's literally the case (the A string on the fiddle is tuned to 366Hz), but of course you could argue the whole thing is transposed down a minor third and then tuned to A = 435 or so. [1] https://soundcloud.com/nicolaslbrown/sets/alison-and-nicks-tracks https://soundcloud.com/nicolaslbrown/sets/alison-and-nicks-t...