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harpsichord

(Encyclopedia)CE5 Harpsichord harpsichord, stringed musical instrument played from a keyboard. Its strings, two or more to a note, are plucked by quills or jacks. The harpsichord originated in the 14th cent. an...

Arabian music

(Encyclopedia)Arabian music, classical musical tradition of the Islamic peoples of Arabia, the Fertile Crescent, and North Africa. Little is known of Arabian music before the Hegira (a.d. 622), but afterward unde...

avionics

(Encyclopedia)avionics āˌvēŏnˈĭks [key], electronic instruments used in air or space flight; also the design and production of such instruments. Early planes had few instruments, but as aviation and aircraft ...

bull-roarer

(Encyclopedia)bull-roarer, an instrument consisting of slit board or chamber attached to a cord. When swung around in the air, it emits a deep, vibrant, “whirrrrrr”-like sound. The mythology of some Native Sout...

Astor, John Jacob, 1763–1848, American merchant

(Encyclopedia)Astor, John Jacob ăsˈtər [key], 1763–1848, American merchant, b. Walldorf, near Heidelberg, Germany. At the age of 16 he went to England, and five years later, in 1784, he arrived in Baltimore, p...

Greenwood

(Encyclopedia)Greenwood.1 City (2020 pop. 9,516 ), seat of Sebastian co., NW Ark.; founded 1851. It was the first county seat for the area, when its original courthou...

violin

(Encyclopedia)CE5 Violins and viols violin, family of stringed musical instruments having wooden bodies whose backs and fronts are slightly convex, the fronts pierced by two ƒ-shaped resonance holes. The instr...

Stradivari, Antonio

(Encyclopedia)Stradivari, Antonio ăntōˈnēəs strădĭvârˈēəs [key], 1644–1737, Italian violin maker of Cremona; pupil of Niccolò Amati. He was apprenticed to Amati c.1658 and may have remained with him u...

Low, Frank James

(Encyclopedia)Low, Frank James, 1933–2009, American astronomer and physicist, b. Mobile, Ala., grad. Yale (B.S. 1955), Rice Univ. (M.A. 1957, Ph.D 1959). Low, who worked at Texas Instruments and the National Radi...