This is the 13428th most frequent Turkish word.
konserleri
"Concerts" (plural form).
The word 'konserleri' is used to describe 'concerts' as a plural direct object in this sentence.
Geçen yaz birçok konserlere katıldım.
Last summer, I attended many concerts.
The word 'konserleri' is used in a possessive sense, indicating the concerts belonging to the favorite artist.
En sevdiğim sanatçının konserleri çok kalabalık oluyor.
The concerts of my favorite artist are always very crowded.
Here 'konserleri' is the direct object of the verb 'izlemek', specifically referring to 'the concerts' that were planned to be watched.