{"created": {"type": "/type/datetime", "value": "2012-04-30T19:28:01.899617"}, "subjects": ["Instruction and study", "Gregorian chants"], "latest_revision": 2, "key": "/works/OL16610934W", "title": "Magister Choralis", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2502398A"}}], "type": {"key": "/type/work"}, "last_modified": {"type": "/type/datetime", "value": "2012-05-21T22:12:56.356982"}, "covers": [7123979], "revision": 2}