It was invented in Germany in the 1830s and has never been a "natural" instrument it has always had valves.

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We can always be an instrument of his will.

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From ragtime to modern fusion, jazz music has always relied on one staple instrument: the piano.

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He says that even though he has another piano to play, he always sits down at his practice instrument.

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My own dream had always been to learn a musical instrument, but every attempt, from grade school onward, had ended in failure.

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But it requires a huge amount of energy to change the temperature quickly, and the temperature isn't always precisely uniform across all the samples in the instrument.

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