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Many instruments today associated with popular music filled important roles in early classical music, such as bagpipes, vihuelas, hurdy-gurdies, and some woodwind instruments. On the other hand, instruments such as the acoustic guitar, once associated mainly with popular music, gained prominence in classical music in the 19th and 20th centuries.

What instrument gained prominence in the 19th and 20th century?
Answer: the acoustic guitar
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The city also has a number of other, smaller newspapers and magazine in circulation such as the Philadelphia Tribune, which serves the African-American community, the Philadelphia, a monthly regional magazine; Philadelphia Weekly, an weekly-printed alternative newspaper; Philadelphia City Paper another weekly-printed newspaper; Philadelphia Gay News, which services the LGBT community; The Jewish Exponent a weekly-printed newspaper servicing the Jewish community; Philadelphia Metro, free daily newspaper; and Al Día, a weekly newspaper servicing the Latino community.

What community does the Tribune serve?
Answer: African-American community
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Much of the medieval period was a time of power struggles between competing dynasties such as the House of Savoy, the Visconti in northern Italy and the House of Habsburg in Austria and Slovenia. In 1291 to protect themselves from incursions by the Habsburgs, four cantons in the middle of Switzerland drew up a charter that is considered to be a declaration of independence from neighboring kingdoms. After a series of battles fought in the 13th, 14th and 15th centuries, more cantons joined the confederacy and by the 16th century Switzerland was well-established as a separate state.

What dynastie was from Austria and Slovenia?
Answer:
the House of Habsburg