Player character hears unexplainable whispering, chanting or other voices.
Name variations: whispering
The first video game about Whispers was released on March 1999.
Obviously music that includes this should not be considered, but this may be difficult to discern in some cases, especially if the music can't be disabled or the volume controlled. Usually games that include this don't have much in terms of in-game music, though, or use it only when the music goes out for whatever reason.