Hector berlioz, in symphonie fantastique, used something called the idée fixe. this is

Idée fixe is french for "fixed idea" Hector Berlioz used the term to describe the recurring theme in his piece Symphonie Fantastique: episode de la vie d'un artiste. Basically, it is the repeating theme of the piece or the "foundation" of his piece.

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1)harmony-a2)balance-e3)asymmetrical balance-b4)abstract-c5)approximate symmetry-d

A. your answer is true