Any waveform can be composed by a (sometimes infinite) series of sinewaves. The goal of distortion is to create a set of such sinewaves that sound pleasing to t

Any waveform can be composed by a (sometimes infinite) series of sinewaves. The goal of distortion is to create a set of such sinewaves that sound pleasing to the ear. A much more complicated problem is to create such waveforms that fit optimally in a given mix with other instruments.