but as the effects of a judgement passed upon the form in the play of divers sensations.

The difference in our definition, according as we adopt the one or the other opinion in judging of the grounds of Music, would be just this: either, as we have done, we must explain it as the beautiful play of sensations (of hearing), or else as a play of pleasant sensations. According to the former mode of explanation music is represented altogether as a beautiful art; according to the latter, as a pleasant art (at least in part).