| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| which musical instrument was invented in 1709 | 1.61 | 0.7 | 1743 | 8 | 45 |
| which | 1.71 | 0.2 | 8937 | 85 | 5 |
| musical | 1.23 | 0.1 | 1240 | 65 | 7 |
| instrument | 0.49 | 0.7 | 1451 | 65 | 10 |
| was | 1.57 | 0.7 | 4613 | 57 | 3 |
| invented | 0.87 | 1 | 1565 | 3 | 8 |
| in | 0.76 | 0.5 | 9876 | 26 | 2 |
| 1709 | 0.84 | 0.7 | 4406 | 9 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| which musical instrument was invented in 1709 | 1.12 | 0.9 | 7616 | 70 |
| musical instruments invented in the 1900s | 0.14 | 0.8 | 692 | 89 |
| which was likely the first musical instrument | 1.93 | 0.2 | 8169 | 21 |
| first musical instrument in history | 1.59 | 0.9 | 7747 | 49 |
| what was the first musical instrument made | 1.48 | 0.4 | 8292 | 4 |
| what was the earliest musical instrument | 0.79 | 0.3 | 8172 | 58 |
| when were musical instruments invented | 1.03 | 0.6 | 864 | 12 |
| in 1929 the first instrument | 1.2 | 0.5 | 7643 | 71 |
| when was the first instrument invented | 1.51 | 0.6 | 7104 | 37 |
| who invented musical instruments | 1.97 | 0.2 | 9862 | 80 |
| the first instrument ever made in history | 1.08 | 0.9 | 6384 | 11 |
| musical instrument long history | 0.49 | 0.8 | 6131 | 44 |
| invention of musical instruments | 0.98 | 0.1 | 1922 | 32 |
| what was the first instrument ever made | 1.86 | 0.5 | 3752 | 60 |
| history of musical instruments | 1.39 | 0.9 | 532 | 100 |
| ancient musical instruments history | 1.68 | 0.7 | 6246 | 82 |
