This is the 1286th most frequent Russian word.
продолжит
"Продолжит" means "will continue" (third person singular future tense).
In this sentence, 'продолжит' is a verb denoting the act of continuing or proceeding with a certain activity or endeavor in the future.
Он продолжит изучать русский язык.
He will continue learning Russian.
Here, 'продолжит' refers to the resumption of an activity (the concert) after an interruption.
Если дождь прекратится, концерт продолжит.
If the rain stops, the concert will continue.
In this context, 'продолжит' indicates the deferral of an activity to a later time but ensures its continuation.