| 1 | It can run in families for generations. | |
| 2 | That ability comes from cultural knowledge passed from generation to generation. | |
| 3 | However, early music was not handed down from generation to generation or recorded. | |
| 4 | They desire to create heirlooms through the photographs for generations of storytelling. | |
| 5 | It's an independent natural language, evolved by ordinary people and transmitted culturally from one generation to the next. |