When will the lpl battle song be played

The battle song of League of Legends will be played in the deciding game between the two teams, that is, in the fifth game of BO5. In League of Legends, the battle song refers to the song "Silver Scrape", which was the music of the last League of Legends S2 Finals on 20 12. In the following games, this song will be played every time BO5 hits the fifth game.