This is the 205th most frequent Hungarian word.
ők
"They" (third person plural pronoun).
Here, 'ők' functions as the subject pronoun identifying the group of friends referred to.
Ők a barátaim.
They are my friends.
'Ők' is used as a subject pronoun, indicating who likes music.
Ők szeretik a zenét.
They like music.
'Ők' serves as an emphatic pronoun to specify who helped in the context.