The correct answer is serialism. This means that different values, or series, are used to create various musical elements, and thus eventually a complete musical piece. The first person who started this method was Arnold Schoenberg in the 1920s, although other people perfected his work afterwards.
Assemblage is the bonding of shapes or objects, using glue, pasting, nailing, soldering, and more. Assemblage is basically a three dimensional collage. Assemblage is most common in modern art.
