{"title": "Programed ear training", "subjects": ["Ear training", "Handbooks, manuals", "Music", "Programmed instruction", "Textbooks", "Theory", "Musical ability", "Music, programmed instruction"], "key": "/works/OL7992688W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL2661099A"}}, {"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1241659A"}}], "type": {"key": "/type/work"}, "latest_revision": 6, "revision": 6, "created": {"type": "/type/datetime", "value": "2009-12-10T22:16:43.120972"}, "last_modified": {"type": "/type/datetime", "value": "2021-09-15T21:37:26.620060"}}