＃0 shell


 * The correct title of this article is #0 shell. The omission of the # is due to technical restrictions.

#0 shell is a song by Dedf1sh.

Description
This song is used before the start of every level in Deepsea Metro, except for Thang stages. The song features a relatively short loop with features synthesizer chords which are repeated and seem to oscillate. While the chords play, some strange sounds are added which echo.

Samples and Interpolations
The music used in player customization in Octo Expansion has the main melody taken from this song.

Etymology
In computing, many program languages will start from index 0 and not 1. A shell is a place where a user can gain access to a computer's services, similar to how Agent 8 is gaining access to the tests.