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The basics of piano tuning and why to avoid Equal Temperament

90% of piano tuners won’t know this about historical temperaments and won’t know much of the theory and history that I’m teaching you. This video teaches about why to prefer other ways of tuning the piano than Equal Temperament. Notes: A 3rd, 4th, 5th refers not to fractions but the origin of the term "5th", for instance, refers to the number in the scale (1,2,3,4,5,6,7,8). A fifth means the interval (distance) between 1 and 5 in the scale. But then other notes with that same distance are called a fifth (so not just C& G in the key of C, but also D&A, E&B, F&C, G&D, A&E). An octave is the simplest ratio 1:2 (cut the string in half) Followed by a 5th: (string cut in two thirds 2/3) 4th (3/4) 3rd (4/5) Breaking glass with voice:    • How to Break Glass with Your Voice - ...   Wolf tone: https://en.wikipedia.org/wiki/File:Me... Just tuning vs equal temperament scale: https://en.wikipedia.org/wiki/File:Ju... Thomas Young tuning vs. Equal Temperament, see Carl Radford's "Classical vs Modern Tunings - Funeral March, Frédéric Chopin" on YouTube (   • Classical vs Modern Tunings - Funeral...  . For a Victorian temperament, see:    • Lucas Playing in the EBVT Temperament   (vs. equal temperament, subtle but less musical:    • Lucas Playing in the ET via Marpurg T...  ) Many digital pianos allow different tunings of the piano. Play with these! Most don't have Young tuning or a Victorian temperament. 0:00 Part I: Introduction 1:00 The takeaway for piano owners 1:12 Modern tuning is ugly 1:43 Modern tuning lacks expression 2:20 Defining pitch 2:53 Laws of sound 4:45 Resonance 5:10 String instruments 6:07 Proportions 6:55 Beats 7:28 Part II: The piano 8:43 Compromise necessary 9:10 Just tuning 11:10 Compromise 2 12:14 Temperament 13:24 Wolf tone 13:45 Why not old temperaments 14:20 The dilemma of tuning 15:08 Defining Equal Temperament 17:18 What's a good temperament 19:45 Strengths of Equal Temperament 22:18 Disadvantage of Equal Temperament 25:47 Keys should have character 27:09 What to ask your piano tuner 30:28 Conclusion