The term "American avant-garde" refers to innovative and experimental movements in art, literature, and music that emerged in the United States during the 20th century. This movement sought to challenge traditional forms and conventions, often embracing new techniques and ideas. Key figures include Marcel Duchamp in visual arts and John Cage in music, who pushed boundaries and encouraged audiences to rethink their perceptions of creativity. American avant-garde is characterized by its diversity, encompassing various styles such as Dadaism, Surrealism, and Abstract Expressionism. It often reflects social and political themes, aiming to provoke thought and inspire change. This movement has significantly influenced contemporary art and culture, leaving a lasting legacy.