| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| oldest known musical instrument | 1.58 | 0.5 | 6853 | 38 | 31 |
| oldest | 1.41 | 0.7 | 3082 | 91 | 6 |
| known | 1.16 | 0.4 | 6385 | 28 | 5 |
| musical | 0.96 | 0.4 | 7770 | 71 | 7 |
| instrument | 1.51 | 1 | 2771 | 32 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| oldest known musical instrument | 0.55 | 0.9 | 8624 | 86 |
| what is the oldest known musical instrument | 0.31 | 0.9 | 5076 | 65 |
| the oldest instrument still in use | 0.93 | 0.3 | 1730 | 11 |
| oldest instrument ever found | 1.73 | 0.8 | 3562 | 25 |
| the oldest instrument of each type | 1.59 | 0.2 | 193 | 12 |
| what is the oldest surviving instrument | 0.14 | 0.8 | 6293 | 49 |
