This is the 1054th most frequent Swedish word.
kvällens
"Kvällens" means "the evening's" in English.
Here, 'kvällens' is a possessive form indicating that the concert belongs to or is happening tonight.
Jag ser fram emot kvällens konsert.
I am looking forward to tonight's concert.
In this sentence, 'kvällens' signifies possession, linking the topics to the evening.
Vi diskuterade kvällens ämnen i detalj.
We discussed tonight's topics in detail.
'Kvällens' is used to relate the dinner to the evening it is associated with.