MARC21-007: Sound on medium or separate of motion picture XML Schema XML Schema for http://marc21rdf.info/terms/motionpicturesom# namespace Date created: 2011-09-11 08:38:17 Date of last update: 2011-09-11 08:38:17 Whether the sound is on the item or separate from the item. Further information about this Vocabulary is available at http://marc21rdf.info/terms/motionpicturesom#