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Chapter​ ​2:​ ​Elements​ ​that​ ​Structure​ ​Music​ ​(Key,​ ​Texture,​ ​and​ ​Form) - Key - Key​ ​=​ ​tonality​:​ ​the​ ​structuring​ ​(pitch​ ​choices)​ ​of​ ​harmony​ ​and​ ​melody​ ​around​ ​a specific​ ​musical​ ​note,​ ​ alled​​ he​ ​tonic - Tonic​:​ ​the​ ​center/​ ​root/​ ​base​ ​around​ ​which​ ​a​ ​musical​ ​composition​ ​is​ ​organized. Different​ ​notes​ ​indicate​ ​a​ ​different​ ​quality​ ​of​ ​character - For​ ​example,​ ​D​ ​Major​ ​is​ ​an​ ​exuberant​ ​and​ ​bright​ ​key,​ ​E-flat​ ​Major​ ​is​ ​a warm​ ​and​ ​lush​ ​keey,​ ​c#-minor​ ​is​ ​a​ ​hard​ ​and​ ​demented​ ​key - Key​ ​should​ ​have​ ​purpose,​ ​vibration,​ ​and