None of the live singing performers came close to the emotional resonance of these video witnesses.

Hurts's songs thrive on the crisp simplicity of their focus and an irresistible emotional resonance.

It's a sober, slightly self-important piece of film-making; the story will intrigue but it's lacking in emotional resonance.

Yet it still has an odd emotional resonance.

Many of the most evocative pieces on display were kept out of personal attachment, those that possessed a powerful emotional resonance.