Musical features include relentless martial rhythm and dark, non-diatonic harmonic support.

Switching off the lamp, I got in bed, listening as rain drummed the roof in a relentless rhythm.

The thrilling second movement, an inexorable march, is built upon the integrity of a relentless dotted-note rhythm.

Mr. Morris seems unable to break free of its relentless rhythm.

She followed the relentless rhythm of the shovel.

Selim pounded his drum harder in a relentless, insistent rhythm.

And suddenly, in the midst of the turmoil, everything steadied and locked into a slow relentless rhythm.

More and more solo instruments roared above this relentless, mighty rhythm.

He was tapping something, the rhythm relentless.

The old man might live on if his body were tough enough, the lungs taking in air, the heart continuing its relentless rhythm.