Sound designers develop a sound design concept for a performance and supervise the execution of it. Their work is based on research and artistic vision. Their design is influenced by and influences other designs and must be conform with these designs and the overall artistic vision. Therefore, the designers work closely with artistic directors, operators and the artistic team. Sound designers prepare audio fragments to be used in a performance, which can involve recording, composing, manipulating and editing. Sound designers develop plans, cue lists and other documentation to support the operators and production crew. Sound designers sometimes also work as autonomous artists, creating sound art outside a performance context.