com·pos·er /kəmˈpozɚ/
  作曲家,作家,設計者
  Com·pos·er n.
  1. One who composes; an author. Specifically, an author of a piece of music.
     If the thoughts of such authors have nothing in them, they at least . . . show an honest industry and a good intention in the composer.   --Addison.
     His [Mozart's] most brilliant and solid glory is founded upon his talents as a composer.   --Moore (Encyc. of Mus.).
  2. One who, or that which, quiets or calms; one who adjusts a difference.
     Sweet composers of the pensive soul.   --Gay.
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  composer
       n : someone who composes music as a profession