The bgm of The Witcher 3 is called The Witcher 3: Kaer Morhen. The Witcher 3 is a role-playing game produced by CDProjektRED and published by WBGames (North America) and SpikeChunsoft (Japan). The game was released on Windows, Playstation4, and XboxOne platforms on May 19, 2015, and on October 13, 2019. Log in to the Nintendo Switch platform. The game is adapted from the novel of the same name. It is the third game in the "Witcher" series and the finale of Geralt's adventure. Background music is referred to as BGM, also known as accompanying music and soundtrack. It refers to a kind of music used to adjust the atmosphere in TV series, movies, animations, electronic games, and websites. It is inserted into dialogues to enhance the expression of emotions and achieve a kind of lethargy. The audience feels immersed in the scene. The music played in some public places (such as bars, cafes, shopping malls) is also called background music.