Released

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Released is a song from the Halo 3: Original Soundtrack. It plays during the level Sierra 117.

It starts with a single low note, followed by a section of drums. After that, another layer of high strings is added in. At around 0:50, choir takes on the main melody; the melody is similar to the choir sections of Halo 2.

Later on, drums once again are the dominant instrument. At around 3:05, the slow drum beat is replaced by a faster and louder drums section.

This song also sounds a lot like the music from the Halo 2 level Uprising, especially at around 4:30. It also includes A Walk in the Woods/Heretic, Hero remake.

It runs for 5:20.

Trivia
Perhaps ironic to note, is that when the section of the remixed Walk in the Woods ends, you are actually entering the foliage filled area of the level, Sierra 117 after the battle at the dam.