bgm means background music.

BGM is background music, called accompanying music or soundtrack. It usually 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 and can enhance The expression of emotions achieves an immersive feeling for the audience;

Music that is played continuously in public places has a loudness standard that does not affect people's conversations and can adjust people's Mental state, create a comfortable and warm environment, BGM is usually not a stereo system, and speakers are mostly used for distributed playback, so the sound is evenly distributed, and the adverse sound environment has little impact on listening.

Extended information:

Background music is the music used as background in movies, TV series and other film and television works, usually without voices. The real accompaniment music originated from In European dramas, accompaniment music has developed rapidly since movies became sound;

BGM refers to this meaning by accompaniment music, which mostly appears in the animation industry. The animation industry generally believes that accompaniment music is indispensable in animation. An important component of animation, it not only needs to match the plot development of the picture, but also must have its own unique style. It is the lubricant and propeller of animation;

BGM is often used in film and television works, often in a Popular film and television works are always accompanied by beautiful and touching background music. Some are specially created for them, and some quote famous songs of predecessors. Background music has become an important part of a successful film and television work;

Background music has no direct relationship with the subject's conscious behavior, but music that indirectly affects the subject's conscious behavior through the medium of non-music appreciation environment.

Baidu Encyclopedia-BGM