{"created": {"type": "/type/datetime", "value": "2009-12-10T06:35:12.224780"}, "subjects": ["Early works to 1800", "History", "Mensural notation", "Music theory"], "latest_revision": 3, "key": "/works/OL4512295W", "title": "Practica artis musice", "subject_times": ["500-1400"], "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL904769A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2010-12-04T14:59:50.042802"}, "revision": 3}