Adapter [adp] Use for a person who 1) reworks a musical composition, usually for a different medium, or 2) rewrites novels or stories for motion pictures or other audiovisual medium. Annotator [ann] Use for a person who writes manuscript annotations on a printed item. Arranger [arr] Use for a person who transcribes a musical composition, usually for a different medium from that of the original; in an arrangement the musical substance remains essentially unchanged. Artist [art] Use for a person (e.g., a painter) who conceives, and perhaps also implements, an original graphic design or work of art, if specific codes (e.g., [egr], [etr]) are not desired. For book illustrators, prefer Illustrator [ill]. Associated name [asn] Use as a general relator for a name associated with or found in an item or collection, or which cannot be determined to be that of a Former owner [fmo] or other designated relator indicative of provenance. Author [aut] Use for a person or corporate body chiefly responsible for the intellectual or artistic content of a work. This term may also be used when more than one person or body bears such responsibility. Author in quotations or text extracts [aqt] Use for a person whose work is largely quoted or extracted in a works to which he or she did not contribute directly. Such quotations are found particularly in exhibition catalogs, collections of photographs, etc. Author of afterword, colophon, etc. [aft] Use for a person or corporate body responsible for an afterword, postface, colophon, etc. but who is not the chief author of a work. Author of introduction, etc. [aui] Use for a person or corporate body responsible for an introduction, preface, foreword, or other critical matter, but who is not the chief author. Bibliographic antecedent [ant] Use for the author responsible for a work upon which the work represented by the catalog record is based. This can be appropriate for adaptations, sequels, continuations, indexes, etc. Book producer [bkp] Use for the person or firm responsible for the production of books and other print media, if specific codes (e.g., [bkd], [egr], [tyd], [prt]) are not desired. Collaborator [clb] Use for a person or corporate body that takes a limited part in the elaboration of a work of another author or that brings complements (e.g., appendices, notes) to the work of another author. Commentator [cmm] Use for a person who provides interpretation, analysis, or a discussion of the subject matter on a recording, motion picture, or other audiovisual medium. Compiler [com] Use for a person who produces a work or publication by selecting and putting together material from the works of various persons or bodies. Designer [dsr] Use for a person or organization responsible for design if specific codes (e.g., [bkd], [tyd]) are not desired. Editor [edt] Use for a person who prepares for publication a work not primarily his/her own, such as by elucidating text, adding introductory or other critical matter, or technically directing an editorial staff. Illustrator [ill] Use for the person who conceives, and perhaps also implements, a design or illustration, usually to accompany a written text. Lyricist [lyr] Use for the writer of the text of a song. Metadata contact [mdc] Use for the person or organization primarily responsible for compiling and maintaining the original description of a metadata set (e.g., geospatial metadata set). Musician [mus] Use for the person who performs music or contributes to the musical content of a work when it is not possible or desirable to identify the function more precisely. Narrator [nrt] Use for the speaker who relates the particulars of an act, occurrence, or course of events. Other [oth] Use for relator codes from other lists which have no equivalent in the MARC list or for terms which have not been assigned a code. Photographer [pht] Use for the person or organization responsible for taking photographs, whether they are used in their original form or as reproductions. Printer [prt] Use for the person or organization who prints texts, whether from type or plates. Redactor [red] Use for a person who writes or develops the framework for an item without being intellectually responsible for its content. Reviewer [rev] Use for a person or corporate body responsible for the review of book, motion picture, performance, etc. Sponsor [spn] Use for the person or agency that issued a contract, or under whose auspices a work has been written, printed, published, etc. Thesis advisor [ths] Use for the person under whose supervision a degree candidate develops and presents a thesis, memoir, or text of a dissertation. Transcriber [trc] Use for a person who prepares a handwritten or typewritten copy from original material, including from dictated or orally recorded material. Translator [trl] Use for a person who renders a text from one language into another, or from an older form of a language into the modern form.