The instruments of the Western orchestra are categorized in four groups strings brass percussion and?

woodwinds. The string section includes instruments like violins, violas, cellos, and double basses, which produce sound through vibrating strings. The brass section features instruments such as trumpets, trombones, and tubas, known for their powerful and bright tones. The percussion section encompasses a variety of instruments that produce sound when struck, shaken, or scraped, while the woodwinds include flutes, oboes, clarinets, and bassoons, which create sound through vibrating air in wooden or metal tubes.