| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| portal 2 the music of the spheres | 1.76 | 0.2 | 8169 | 62 |
| portal 2 the music of science | 0.34 | 0.8 | 2344 | 13 |
| portal 2 the music | 0.82 | 0.8 | 9418 | 49 |
| space sphere portal 2 | 1.69 | 0.8 | 272 | 40 |
| portal the four spheres | 1.57 | 0.4 | 550 | 10 |
| music of the spheres volume 2 | 1.73 | 0.4 | 8362 | 63 |
| portal 2 the music video | 0.85 | 0.7 | 4190 | 10 |
| portal 2 the music list | 1.72 | 0.2 | 8015 | 39 |
| portal 2 the music download | 2 | 0.7 | 4107 | 39 |
| music of the spheres download | 0.42 | 0.8 | 2217 | 90 |
| portal 2 sheet music | 1.43 | 1 | 901 | 94 |
| portal 2 the musical | 1.59 | 0.4 | 5002 | 10 |
| portal 2 the music review | 0.64 | 0.2 | 8936 | 85 |
| portal 2 the music soundtrack | 1.76 | 0.5 | 4673 | 28 |
| music of the spheres | 1.23 | 0.8 | 9034 | 68 |
| portal 2 the musical songs | 0.56 | 0.8 | 3235 | 25 |
| portal 2 music mp3 | 1.85 | 0.5 | 9493 | 65 |
| portal 2 the musical youtube | 0.81 | 0.8 | 895 | 7 |
| portal 2 enrichment spheres | 1.21 | 0.2 | 2999 | 50 |
| portal 2 the musical download | 1.73 | 0.6 | 8521 | 96 |
| portal 2 the music: science is fun | 1.33 | 0.7 | 4255 | 22 |
| portal 2 the musical tickets | 1.92 | 0.5 | 2755 | 93 |
