In most Western music, tone clusters tend to be heard as dissonant.

Still, it was not before the second decade of the twentieth century that tone clusters assumed a recognized place in Western classical music practice.

As free jazz spread in the 1960s, so did the use of tone clusters.

The sound of tone clusters played on the organ became a convention in radio drama for dreams.

Gritty tone clusters and even a 12-tone row are incorporated into the sound palette.

"Now listen to those wimpy tone clusters down there," she said.

His early works made use of tone clusters, polyrhythms and other new techniques before they were widely known.

These chords based on dissonance are also called "tone clusters".

Ornstein was the first important composer to make extensive use of the tone cluster.

There are many novel textures in the work, which makes great use of tone clusters.