Hello Zepp

"Hello Zepp" is a piece of incidental music that was composed by Charlie Clouser for the first installment in the Saw film series. The piece's appearance in the first film was timed to bring a dramatic tone to the end of the film, in which Zep Hindle is revealed to actually be a victim of the real antagonist, the Jigsaw Killer (the character's name in the script is spelled 'Zep', whereas the music titles are spelled 'Zepp'). As the series continued, the piece was reused in all the films, often being renamed and remixed to accommodate the changing situations and characters in each film. The song, which is written in the key of D minor, is now the theme of the entire series.

The original version of the composition is used in Homestuck as part of a Flash sequence. The theme music can also be heard during the trailer for the Bryan Singer directed film, Valkyrie (2008).

In the film series, there are currently thirty-one versions or mixes of "Hello Zepp".

Twelve versions or mixes of "Hello Zepp" have been released on various Saw soundtracks.

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Wikipedia