My song is a very energetic song ,so i wanted to use contrast to add dynamism to my composition. In order to add contrast between ground and other elements, i used purple and black color. Also i used vertical and horizantol version of my ground element for this reason. In addition to this, i wanted to use unit and repetition because my song’s rhythm doesn’t change during the song. Ricky Martin-Livin’ La Vida Loca…