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A newsreel is a form of short documentary film, containing news stories and items of topical interest, that was prevalent between the 1910s and the late 1960s. Typically presented in a cinema, newsreels were a source of current affairs, information, and entertainment for millions of moviegoers.
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jazz music is simular cause moat classical peices use a form of jazz.
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brainly
gracias por ser weno xddd :)
You could google this, but the ratio between frequencies of one octave to the next is 2:1
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"Matrices for printing types were made of copper. However, in printmaking the matrix is whatever is used, with ink, to hold the image that makes up the print, whether a plate in etching and engraving or a woodblock in woodcut."
