{"subjects": ["Music", "History and criticism"], "key": "/works/OL4094864W", "title": "Concerning music", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL767047A"}}], "type": {"key": "/type/work"}, "covers": [8517104], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T05:20:30.084183"}, "last_modified": {"type": "/type/datetime", "value": "2024-12-17T14:01:13.361672"}}