This is the 1282nd most frequent Swedish word.
sjunger
"Sjunger" means "sings" in English.
Here 'sjunger' is in the present tense, indicating a habitual action.
Hon sjunger alltid medan hon arbetar.
She always sings while she works.
In this sentence, 'sjunger' is used to describe an observed quality or performance in singing.
Jag tror att han sjunger mycket bättre idag.
I think he sings much better today.
The verb 'sjunger' here shows the group activity of singing occurring currently.