Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
when was the piano invented what year | 0.68 | 0.1 | 1052 | 79 |
what year was the piano invented | 0.33 | 0.9 | 5622 | 87 |
piano invented year | 0.04 | 1 | 4094 | 29 |
who invented the piano and what year | 1.48 | 0.5 | 2634 | 60 |
what year piano invented | 1.65 | 0.3 | 747 | 96 |
toy piano year invented | 1.31 | 0.3 | 8542 | 58 |
what year was the first piano invented | 0.62 | 0.7 | 3385 | 72 |