https://chenynpiano.com/2026/06/15/the-secret-behind-lang-langs-jasmine-flower-tone-440hz-tuning/New York Piano Tuner : I used ear tuning (also known as auditory tuning) and state-of-the-art software-based electronic tuning equipment for sound tuning. (The frequency for home concert tuning is 440 Hz.) 我采用耳调音法（也称听觉调音法）和最先进的基于软件的电子调音设备进行调音。（家用音乐会调音的频率为 440 Hz） Chen YN 调音主页en2026-06-16T02:22:58+00:00The Secret Behind Lang Lang’s “Jasmine Flower” Tone (440Hz Tuning!)