The species had its best breeding season for 130 years last year, measured by the number of "booming" males, whose distinctive mating call is a low-pitched, far-carrying "boom".

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These are now being pitched to relatively low-brow customers.

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Those elements are traditionally performed by three instruments: a triangle, an accordion, and a zabumba, a drum pitched somewhere between a low snare and a small bass.

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With the low, slow pitches at home, Indian batsmen are naturals at going forward to play the ball off the front foot, hitting confidently through the line, even if they're not particularly over-pitched, with the hands characteristically low down.

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The technology would enable a person talking to someone with a loud, high-pitched, rapid-fire voice to sound similar even if his actual voice was soft, low and slow, for instance.

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