Sound doesn't always have to be heard. Sound can also be created by how a pattern is set up on a surface- how it moves across the surface, how light reflects the surface [and] can generate a feeling. Sound can also be through feeling, through color, through texture.
Nick CaveI feel like I've spent the last five years of my life on the road. It hasn't affected my songs but it's probably affected everything else about me. Obviously, the more you travel, the wilder the things that keep happening to you, the more likely it is you'll get complete strangers knocking on your hotel room door.
Nick Cave