Original sentence: Ambient music refers to a kind of music that envelops the listener without drawing attention to itself (background music)
Edited sentence: Ambient music is a musical genre that incorporates elements of a number of different styles - including jazz, electronic music, new age,  modern classical music, traditional, world, and noise.It is sometimes characterised as possessing a sense of resonant sonic space, and of being designed to function equally effectively for both passive (background music) and active listening