But her most powerful instrument was her deep, warm, versatile, strikingly mature voice, which added rousing torch-song glamour even to the lesser numbers.
Times, Sunday Times
We see business as a powerful instrument for aligning the human experience with its original design.
Christianity Today
His voice remains a powerful instrument, injecting even the weaker tracks with a heady soulfulness.
The Sun
Distributions are a powerful instrument to solve differential equations.
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Jokes throughout history have been a powerful instrument to undermine state authority and the public truth associated with it.
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