In a book from 1893 that documents his work, Bishop states: 'I procured an organ, and experimented by building an attachment to the keys, which would play with different colored lights to correspond with the music of the instrument.' īetween 19, Mary Hallock-Greenewalt, a piano soloist, created a new technological art form called Nourathar, which means 'essence of light' in Arabic. Bainbridge Bishop, who contributed to the development of the color organ, was 'dominated with the idea of painting music'. The color organ is a mechanism to make colors correspond to sound through mechanical and electromechanic means. The term is also used to describe the performative use of generative software, although the word 'becomes dubious (.) since no video is being mixed'. In addition to the selection of media, VJing mostly implies realtime processing of the visual material. One of the key elements in the practice of VJing is the realtime mix of content from a 'library of media', on storage media such as VHS tapes or DVDs, video and still image files on computer hard drives, live camera input, or from computer generated visuals.

In both situations VJing is the manipulation or selection of visuals, the same way DJing is a selection and manipulation of audio. The term VJing became popular in its association with MTV's Video Jockey but its origins date back to the New York club scene of the 70s. This results in a live multimedia performance that can include music, actors and dancers. VJing often takes place at events such as concerts, nightclubs, music festivals and sometimes in combination with other performative arts. Characteristics of VJing are the creation or manipulation of imagery in realtime through technological mediation and for an audience, in synchronization to music. VJing (pronounced: VEE-JAY-ing) is a broad designation for realtime visual performance. The VJ Book and VJ:Audio Visual Art + VJ Culture

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