Yes, the exploration of dissonance in 20th-century music marked a significant departure from traditional tonal harmony, where dissonance served as a contrast to the prevailing consonance.
Atonality, in particular, represented a radical shift away from the tonal center, resulting in a more balanced distribution of dissonance and consonance throughout a piece.
This opened up new avenues for musical expression, allowing composers to create a wider range of sonic textures and evoke a broader spectrum of emotions.
The exploration of dissonance in 20th-century music challenged listeners and expanded the boundaries of musical expression. It opened up new possibilities for composers to convey emotions, create tension, and evoke a wider range of sonic experiences.