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 used to believe that if I could do certain things - write a book or be a successful musician - that I'd be transformed into a happy person, but it doesn't work that way.
Nick Cave