N-UNCOUNT
墙纸式作品(乏味浅薄、虽令人愉悦却不能引人关注的音乐、电视或艺术)
If you describe music, television, or art as wallpaper, you are critical of it because there is nothing interesting or difficult to understand about it, so people find it pleasant but do not pay much attention to it.
例句
...bland, wallpaper music.
乏味的墙纸式音乐