SONG_DATA_SOURCE = '```json\n{{\n "content": "Lyrics of a song",\n "attributes": {{\n "artist": {{\n "type": "string",\n "description": "Name of the song artist"\n }},\n "length": {{\n "type": "integer",\n "description": "Length of the song in seconds"\n }},\n "genre": {{\n "type": "string",\n "description": "The song genre, one of "pop", "rock" or "rap""\n }}\n }}\n}}\n```'