Emancipation of the dissonance

The emancipation of the dissonance was a concept or goal put forth by composer Arnold Schoenberg and others, including his pupil Anton Webern, who styled it The Path to the New Music. The phrase first appears in Schoenberg's 1926 essay "Opinion or Insight? ".

Source: Wikipedia — Emancipation of the dissonance (CC BY-SA 4.0)