Dance Online. Dance in Video This link opens in a new windowStreaming video database of dance productions, documentaries, interviews, and coaching sessions by influential performers and companies of the 20th and early 21st centuries. Selections cover ballet, tap, jazz, contemporary, experimental, and improvisational dance, as well as forerunners of the forms and the pioneers of modern concert dance. The second volume expands upon the foundation built in Volume I, and showcases a new catalogue of dancers and partners including the Joffrey Ballet, John Jasperse Company, Cloud Gate Dance Theatre, Bavarian State Ballet, Royal Ballet of Cambodia, Kirov Ballet, and Compañía Nacional de Danza.