Keynote sounds are, however. [fact]
Keynote sounds are, however, noticed when they change, and when they disappear altogether, they may even be remembered with affection.
Schafer, Murray R, The Soundscape- Our Sonic E…, loc. 215Keynote sounds are, however, noticed when they change, and when they disappear altogether, they may even be remembered with affection.
Schafer, Murray R, The Soundscape- Our Sonic E…, loc. 215