The sonority of music works is achieved by instrumental playing.

　　音樂作品的音響存在是通過樂器演奏實現的。

　　Resonance give volume and timbre to voice and strengthen its sonority.

　　共鳴賦予嗓音的音量和音質，并加強其響亮度。

　　The lowest level of sonority, the pianissimo , must also be totally effortless in its production.

　　鋼琴彈奏中，就是最低的音量，極弱，也必須是要在完全輕松的情況下彈奏出來的。