Soe Tjen Marching is a writer, academician, activist, and a composer of avant-garde music from Indonesia. In 1998, she won the national competition for Indonesian Contemporary Composers held by the German Embassy. Her compositions have been played in New Zealand, Indonesia and Japan. Her work has been released on the CD Asia Piano Avantgarde - Indonesia, played by pianist Steffen Schleiermacher. In 2010, her work has been selected as one of the two best compositions in the International Competition for avant-garde composers held in Singapore. In her musical career, she has been mainly an autodidact.