This is the 11999th most frequent Russian word.
звуки
Sounds.
In this sentence, 'звуки' is used to denote pleasant auditory sensations originating from natural elements.
На рассвете мы слышали красивые звуки природы.
At dawn, we heard the beautiful sounds of nature.
Here, 'звуки' refers to melodies or tonal sequences produced by musical instruments.
Звуки музыки наполняли комнату гармонией.
The sounds of music filled the room with harmony.
In this example, 'звуки' signifies general audible acoustic phenomena that are diminishing in volume as night approaches.