A number of people have noticed that the music used in the recent
Mid~Series Trailer for
SERIES 4 of
DOCTOR WHO has
not been used in the show before. The music, in fact, is not even written by
regular DW composer
MURRAY GOLD. The piece of music is called
Hellstorm and was composed by
KLAUS BADELT. You can find it on
THIS album, a collection of stock music for film and television. Here it is: