The sonority of music works is achieved by instrumental playing.

　　音樂(lè )作品的音響存在是通過(guò)樂(lè )器演奏實(shí)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(zhì)，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(lái)的。