This is the 1464th most frequent Russian word.
концерт
Concert.
In this sentence, "концерт" is used in its most direct meaning to refer to a musical performance.
Вчера я был на классическом концерте.
Yesterday, I attended a classical concert.
In this context, "концерт" is used metaphorically to describe a vivid and emotional experience similar to the intensity of a concert.
Этот спектакль был как настоящий концерт эмоций.
This performance was like a real concert of emotions.
Here, "концерт" refers to a recorded or broadcast musical performance.