<P> Expressionism is a modernist movement in drama and theatre that developed in Europe (principally Germany) in the early decades of the 20th century and later in the United States . It forms part of the broader movement of Expressionism in the arts . </P> <P> There was a concentrated Expressionist movement in early 20th century German theatre of which Georg Kaiser and Ernst Toller were the most famous playwrights . Other notable Expressionist dramatists included Reinhard Sorge, Walter Hasenclever, Hans Henny Jahnn, and Arnolt Bronnen . They looked back to Swedish playwright August Strindberg and German actor and dramatist Frank Wedekind as precursors of their dramaturgical experiments . </P>

Which is not a musical characteristic of expressionism