From the author's README on Thunderstore

Adds 13 song(s) to skate.

Playlists & Tracklist

Mac Demarco Salad Days

Mac DeMarco - Topic - Blue Boy
Mac DeMarco - Topic - Brother
Mac DeMarco - Topic - Chamber Of Reflection
Mac DeMarco - Topic - Go Easy
Mac DeMarco - Topic - Goodbye Weekend
Mac DeMarco - Topic - Let Her Go
Mac DeMarco - Topic - Let My Baby Stay
Mac DeMarco - Topic - Passing Out Pieces
Mac DeMarco - Topic - Salad Days
Mac DeMarco - Topic - Treat Her Better

Installation

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

Packaged with ReSkate Music Packer

Install Mac Demarco Salad Days

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

Open ReSkateLauncher.exe and go to MODS.
Search for Mac Demarco Salad Days 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.