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Per Boysen wrote:
On Sat, Nov 10, 2012 at 9:01 AM, andy butler <akbutler@tiscali.co.uk> wrote:there's a lot of non 440 about, often unnoticed.Often to be found in recordings that was produced with classic 24-track tape machine technique.
also those with guitars, before the ubiquity of digital tuners (as a bass player in the 70's, this wasn't a secret)andy