they were over looked throughout the world because many had thought to be an nuance that would go away over time with out any influence from outside factors.
The instrument described is a clavichord.
Although not very popular nowadays, it was important between the 15th and the 19th century. In popular music, variations of it can be found in songs by artists such as Stevie Wonder and Bjork, but they mostly used the electric version of the instrument.
Impressionists followed a theme of modernity and rebelling against classical art styles. they typically followed themes depicting landscapes and modern city scenes. impressionist artworks were inspired by japanese impressionist artists such as Monet.
Answer:
the 1st Aztec calendar is called Xiuhpohualli and it keeps track of planting season (365 days)
the 2nd Aztec calendar is called Tonalpohualli and it keeps track of religious ceremonies (260 days with a combination of 13 numbers and 20 symbols)