Four Knocks (From "Doctor Who: Series 4") Lyrics
| Song | Four Knocks (From "Doctor Who: Series 4") |
| Artist | Murray Gold |
| Album | Doctor Who - The 50th Anniversary Collection (Original Television Soundtrack) |
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| Song | Four Knocks (From "Doctor Who: Series 4") |
| Artist | Murray Gold |
| Album | Doctor Who - The 50th Anniversary Collection (Original Television Soundtrack) |