Martha Graham in the context of "Batsheva Dance Company"

Modern dance is a broad genre of western concert or theatrical dance which includes dance styles such as ballet, folk, ethnic, religious, and social dancing; and primarily arose out of Europe and the United States in the late 19th and early 20th centuries. It was considered to have been developed as a rejection of, or rebellion against, classical ballet, and also a way to express social concerns like socioeconomic and cultural factors.

In the late 19th century, modern dance artists such as Isadora Duncan, Maud Allan, and Loie Fuller were pioneering new forms and practices in what is now called improvisational or free dance. These dancers disregarded ballet's strict movement vocabulary (the particular, limited set of movements that were considered proper to ballet) and stopped wearing corsets and pointe shoes in the search for greater freedom of movement.

Graham technique is a modern dance movement style and pedagogy created by American dancer and choreographer Martha Graham (1894–1991). Graham technique has been called the "cornerstone" of American modern dance, and has been taught worldwide. It is widely regarded as the first codified modern dance technique, and strongly influenced the later techniques of Merce Cunningham, Lester Horton, and Paul Taylor.

Graham technique is based on the opposition between contraction and release, a concept based on the breathing cycle which has become a "trademark" of modern dance forms. Its other dominant principle is the "spiraling" of the torso around the axis of the spine. Graham technique is known for its unique dramatic and expressive qualities and distinctive floorwork; dance critic Anna Kisselgoff described it as "powerful, dynamic, jagged and filled with tension".

Ruth St. Denis (born Ruth Dennis; January 20, 1879 – July 21, 1968) was an American pioneer of modern dance, introducing eastern ideas into the art and paving the way for other women in dance. She was inspired by the Delsarte advocate Genevieve Stebbins. St. Denis was the co-founder in 1915 of the American Denishawn School of Dancing and Related Arts. She taught notable performers including Martha Graham and Doris Humphrey. In 1938, she founded the pioneering dance program at Adelphi University. She published several articles on spiritual dance and the mysticism of the body.

Her signature solos continue to be performed. She was inducted into the National Museum of Dance and Hall of Fame in 1987.

Isamu Noguchi (野口 勇, Noguchi Isamu; Japanese: [noꜜgɯtɕi isamɯ], English: /nəˈɡuːtʃi/; November 17, 1904 – December 30, 1988) was an American artist, furniture designer and landscape architect whose career spanned six decades from the 1920s. Known for his sculpture and public artworks, Noguchi also designed stage sets for various Martha Graham productions, and several mass-produced lamps and furniture pieces, some of which are still manufactured and sold.

In 1947, Noguchi began a collaboration with the Herman Miller company, when he joined with George Nelson, Paul László and Charles Eames to produce a catalog containing what is often considered to be the most influential body of modern furniture ever produced, including the iconic Noguchi table which remains in production today. His work is displayed at the Isamu Noguchi Foundation and Garden Museum in New York City.

Appalachian Spring is an American ballet created by the choreographer Martha Graham and the composer Aaron Copland, later arranged as an orchestral work. Commissioned by Elizabeth Sprague Coolidge, Copland composed the ballet music for Graham; the original choreography was by Graham, with costumes by Edythe Gilfond and sets by Isamu Noguchi. The ballet was well received at the 1944 premiere, earning Copland the Pulitzer Prize for Music during its 1945 United States tour. The orchestral suite composed in 1945 was played that year by many symphony orchestras; the suite is among Copland's best-known works, and the ballet remains essential in the Martha Graham Dance Company repertoire.

Graham was known for creating the "Graham technique" of dance; in the 1930s, she began commissioning scores from various composers, often related to American history and culture. Around the same time, Copland incorporated relatable and accessible musical characteristics of the Americana style to increase his music's appeal to the general public; he first implemented this in earlier ballets like Billy the Kid and Rodeo. The initial scenario for Appalachian Spring devised by Graham was revised many times by both her and Copland; the title characters' names were changed numerous times and other characters from the early revisions were cut in the final production. Originally orchestrated for a thirteen-piece chamber orchestra, the score was arranged into various suites by Copland for different purposes; the original ballet featured eight episodes, three of which were cut in the well-known orchestral suite.