This field should contain a comma-seperated list of types among: Video Sound Image Text This field is deprecated as it is only used for filtering on the DKA frontend - it should instead be implemented as a computed solr index from the file formats attached to the object. A contributor is a person/organisation on the "frontside of the camera", such as an actor. A creator is a person/organisation from "behind of the camera", such as a producer, director or destributing organisation.