His voice was controversial, the vocal quality being unusual.

He was pushing toward a vocal quality, singing through his horn.

There's a vocal quality to 119 in particular.

Her vocal quality identified the sound of the first years of the well known quartet.

The word creamy crops up everywhere in reviews of her vocal quality.

This gives Punch a vocal quality as though he were speaking through a kazoo.

Other vocal qualities, like weight, placement and, especially, color are just as important.

His reputation rose quickly as a baritone who had an impressive natural vocal quality and glorious voice.

But he has greatly improved his vocal quality, style and energy.

Again, the playing has that energy, that vocal quality which makes the music speak directly and movingly.