> In tuning we are altering the interval by far less than a semitone, so the terms "wide" and "narrow" avoid ambiguity when conversing with musicians. Thirty years ago when I was teaching tuning and piano technology I had to find a way to help prevent confusing the students while they were learning to temper intervals, to have a consistent language and precisely express the needed concept to I stopped using "flat" or "sharp" and started using "expanded" or "contracted" which was an easy concept to grasp and eliminated confusion because of tuning the upper or the lower note. Any time confusion or obfuscation can be limited the better we communicate. Newton
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