Musical instrument
Baroque

Beginning in the seventeenth century, composers began writing works to a higher emotional degree. They felt that polyphony better suited the emotional style they were aiming for and began writing musical parts for instruments that would complement the singing human voice. As a result, many instruments that were incapable of larger ranges and dynamics, and therefore were seen as unemotional, fell out of favor. One such instrument was the shawm. Bowed instruments such as the violin, viola, baryton, and various lutes dominated popular music. Beginning in around 1750, however, the lute disappeared from musical compositions in favor of the rising popularity of the guitar. As the prevalence of string orchestras rose, wind instruments such as the flute, oboe, and bassoon were readmitted to counteract the monotony of hearing only strings.

In the mid-seventeenth century, what was known as a hunter's horn underwent a transformation into an "art instrument" consisting of a lengthened tube, a narrower bore, a wider bell, and a much wider range. The details of this transformation are unclear, but the modern horn or, more colloquially, French horn, had emerged by 1725. The slide trumpet appeared, a variation that includes a long-throated mouthpiece that slid in and out, allowing the player infinite adjustments in pitch. This variation on the trumpet was unpopular due to the difficulty involved in playing it. Organs underwent tonal changes in the Baroque period, as manufacturers such as Abraham Jordan of London made the stops more expressive and added devices such as expressive pedals. Sachs viewed this trend as a "degeneration" of the general organ sound.
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