From the author's README on Thunderstore

Adds every song from the Deltarune Chapter 2 soundtrack by Toby Fox into Skate!

Playlists & Tracklist

Deltarune Chapter 2

Toby Fox - Faint Glow
Toby Fox - Girl Next Door
Toby Fox - My Castle Town
Toby Fox - Ohhhhohohoho!
Toby Fox - Queen
Toby Fox - A CYBER'S WORLD？
Toby Fox - A Simple Diversion
Toby Fox - Almost to the Guys!
Toby Fox - Cool Beat
Toby Fox - When I Get Mad I Dance Like This
Toby Fox - Cyber Battle (Solo)
Toby Fox - When I Get Happy I Dance Like This
Toby Fox - Sound Studio
Toby Fox - Berdly
Toby Fox - Smart Race
Toby Fox - Faint Courage (Game Over)
Toby Fox - WELCOME TO THE CITY
Toby Fox - Mini Studio
Toby Fox - Holiday Studio
Toby Fox - Cool Mixtape
Toby Fox - HEY EVERY !
Toby Fox - Spamton
Toby Fox - NOW'S YOUR CHANCE TO BE A
Toby Fox - Elegant Entrance
Toby Fox - Bluebird of Misfortune
Toby Fox - Pandora Palace
Toby Fox - KEYGEN
Toby Fox - Acid Tunnel of Love
Toby Fox - It's Pronounced 'Rules'
Toby Fox - Lost Girl
Toby Fox - Ferris Wheel
Toby Fox - Attack of the Killer Queen
Toby Fox - Giga Size
Toby Fox - Powers Combined
Toby Fox - Knock You Down !!
Toby Fox - The Dark Truth
Toby Fox - Digital Roots
Toby Fox - Deal Gone Wrong
Toby Fox - BIG SHOT
Toby Fox - A Real Boy!
Toby Fox - Dialtone
Toby Fox - Chill Jailbreak Alarm to Study and Relax to
Toby Fox - Until Next Time
Toby Fox - Berdly (Rejected Concept)

Installation

Install via Thunderstore Mod Manager, or drop into your ReSkate launcher.

Packaged with ReSkate Music Packer

Install Deltarune Chapter 2 OST

You need ReSkate and your own copy of skate. on Steam.

Open ReSkateLauncher.exe and go to MODS.
Search for Deltarune Chapter 2 OST and click install. The launcher also installs anything it depends on.
Press PLAY. In game, the MODS tab of the ReSkate menu (Insert) turns it on and off.

Or install it by hand: download the .zip and drop it on the launcher window, or unzip it into its own folder in Mods\ beside Skate.exe.

Maps show up in the ReSkate menu's level list. To join a server running a custom map, you need the same map installed. If the game won't load after installing, see known issues.

skatemods doesn't host or review this mod. The download comes straight from Thunderstore. Only install mods you trust, because scripts can run code.