Any thing should be considered art, it’s not a specific thing
The key signature allows the composer to use less accidentals which makes the music less cluttered. Just like the other person who answered this said when a score with multiple instruments is written it is almost always all in the same key to keep the music organized (their answer is better)
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Para comer um pouco mais tarde a gente não tem como você me llamo Marta e
Answer:
He added beauty and fine craftsmanship to functional household objects.
He added complex patterns to object like upholstery, tapestry, and wallpaper