The key point you need to know about piano tuning The key point you need to know about piano tuning. Nowadays, the mobile phone calibration software already has a very high precision. When you play any notes, you can find the closest note to this note, and tell the user the current pitch is lower or higher than the standard pitch with specific deviation. So with the help of mobile phone calibration software, people who has not received any pro tuning training can independently complete the piano tuning, is that true? Q: A person who has not received any professional tuning training can independently complete the piano tuning? A: Of course he can't, who will ask one lack of professional tuning skills to tune the expensive piano? I bet no one. Why? 1. Non-professionals do not have professional tools. Piano is a precision machinery, Its key components are always customized. Piano tuning need to use a lot of tools in the course of their work, including piano tuning tools, re...