This is the 10166th most frequent Russian word.
бесплатного
"Бесплатного" means "free" (without cost) in English.
Here, 'бесплатного' acts as an indexical descriptor in the genitive case referring to the 'concert'.
Мы получили доступ к бесплатного концерта.
We gained access to a free concert.
In this sentence, 'бесплатного' denotes the quality of the 'set,' showing ownership or source.
Эта книга из бесплатного набора для учеников.
This book is from the free set for students.
The word 'бесплатного' applies to the object 'meal,' marking it in the genitive case due to the preposition 'рад'.