Recorded popular music played in the background in public places such as elevators, variously regarded as being bland, monotonous, etc.
Webster's New World
Elevator Music Sentence Examples
It was the sound I hated more on a telephone that Henri Mancini's version of Theme from Moon Glow or any other top one hundred hits of elevator music was, 'would you please hold'?
The last item on Dean's list of pleasurable activities was punching one if you want this and two if you want that buttons, then sitting on hold while listening to elevator music from some bureaucratic office.
You know you've turned 50 when you can sing along with the elevator music.
Eventually the screen will turn black and white and elevator music will play in the background.