The playlist has all of the ULC's original soundtracks, old versions of said tracks, and some fan-made tracks that I think would end up in the game or would fit.

Playlist Picture is taken from an ULC Illustrative Image in Roblox, I thought it would be cool.

Play ULC... NOW! (https://www.roblox.com/games/10982620122/Undertale-Last-Corridor)

Official ULC Account! (Official Tracks) (https://soundcloud.com/utlc)
Official ULC:Extras Account! (Official Skin Tracks) (https://soundcloud.com/utlc-extras)
Unofficial ULC Accounts! (Unofficial Tracks) (https://soundcloud.com/user-831581958) (https://soundcloud.com/ulctheust)
ULC Archive! (Old versions of Tracks) (https://soundcloud.com/ulcarchive)

Tracks In Order:
Trailers
TLCA
Lobby (Lobby - Casino)
Chara Team
Sans Team (+Skins)
Events (Sans Team) (Christmas - Halloween)
Not Specificied

Undertale: Last Corridor (Semi-)OST

* how original.
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About: This track was composed for a youtube video on the Undertale: Last Corridor channel.
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THUMBNAIL RENDER: by Ian
SONG: by KnuckleDuster
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[DO NOT USE WITHOUT PERMISSION]

Contract Negotiation + Big Reveal

what a nice trailer! i’m sure there is a completely professional tone maintained throughout
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About: This track was composed for the SINS OF THE PAST Update Trailer.
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THUMBNAIL: by Coolbic
SONG: by Box Standard
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[DO NOT USE WITHOUT PERMISSION]

SINS OF THE PAST TRAILER

An upload of The Clock.
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Not a continuation of the ARG.

The Clock. [The Approachers.]

An upload of TLCA.
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Not a continuation of the ARG.

TLCA [The Approachers.]

going to either
1. archive this account and do my own thing on a new one
2. move the older songs to a new account and make it an archive

running out of uploads

This is the oldest version of Annihilation.
Thumbnail by Flyingskullz (Don't ask how many tris this model has)

ULC - ANNIHILATION V0

THIS WAS MADE WITH PERMISSION! THIS IS MANAGED BY RATA

This is simply an archival to preserve the old, unused, scrapped, and the first ever versions of tracks in Undertale: Last Corridor.
If any of the musicians want any song removed from this archive, please ask me to do so in the comments or by contacting me.

As always, do not use these songs without permission from either the song owner or Joey.

ULC - ANNIHILATION V0

ULC: Banks