This is the 17021st most frequent Russian word.
спеть
To sing.
Here, "спеть" is used in its finite form to mean 'to sing' an action that one is able to perform.
Я могу хорошо спеть эту песню.
I can sing this song well.
In this sentence, "спеть" is used to indicate the successful completion of the singing action prior to an event, reflecting its aspectual use.
Мы успели спеть до начала мероприятия.
We managed to sing before the start of the event.
Here, "спеть" is used to describe the habitual or preferred activity of singing by children during celebrations.