Can music exist without (1) _______? Some philosophers argue that music should be defined as a kind of “mental (2) _______” and that the physical aspects of sound are simply by-products of this image. If you (3) _______ you can have a musical experience by imagining the sound of a piece of music, then you think (4) _______ can exist without sound. But most musical experiences involve producing or (5) _______ to physical characteristics of sound such as pitch and timbre (quality comparable to texture or color in sight).