" It had made her think of the moral flavour of music. Could music really have a moral quality in itself, or was it given this by the circumstances in which it was played - and by the reasons behind its performance. Music could be pressed into military service: a triumphal march would be good if played by the right side, and wrong if played by those in the wrong. "

― Alexander McCall Smith , The Quiet Side of Passion (Isabel Dalhousie #12)