From the author's README on Thunderstore

POST-MALONE'S-Twelve-Carat-Toothache

Playlists & Tracklist

Twelve Carat Toothache

Post Malone - Reputation
Post Malone/Roddy Ricch - Cooped Up (with Roddy Ricch)
Post Malone - Lemon Tree
Post Malone - Wrapped Around Your Finger
Post Malone/Doja Cat - I Like You (A Happier Song) (with Doja Cat)
Post Malone/Gunna - I Cannot Be (A Sadder Song) (with Gunna)
Post Malone - Insane
Post Malone/Fleet Foxes - Love/Hate Letter To Alcohol (with Fleet Foxes)
Post Malone/The Kid LAROI - Wasting Angels (with The Kid LAROI)
Post Malone - Euthanasia
Post Malone - When I'm Alone
Post Malone - Waiting For A Miracle
Post Malone/The Weeknd - One Right Now (with The Weeknd)
Post Malone - New Recording 12, Jan 3, 2020

Installation

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

Packaged with ReSkate Music Packer

Install POST MALONES Twelve Carat Toothache

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

Open ReSkateLauncher.exe and go to MODS.
Search for POST MALONES Twelve Carat Toothache 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.