Unreleased Skylar Grey2013
Can’t Haunt Me (feat. Marilyn Manson) — Don’t Look Down outtake.

2016
Fun* — for Trolls movie.

2017
Walk on Water (Original Version) — Eminem/Beyoncé demo.

2018
Glorious (Solo Version) — Macklemore demo.

2019
Be A Man
Tough*

2021
From the Ashes* (with ILLENIUM)

Unknown Year
American / American (Acoustic) ↗
Free Love*
Hard Up*
I Believe In Ghosts*
I’m a Soldier* — rejected James Bond theme for No Time to Die.
No Pressure* (with Diplo) — demo for Rihanna.
Unlearn*
Whatevers Good for You*Unrеleased Holly Brook (2005-2010)2005
Cold Outside (Solo Vеrsion)
2006
Candy Maker

2010
O’Dark:Thirty EP (June 16, 2010) ↗
1. It’s Raining Again (Smile)
2. Grey
3. Man On The Mountaintop
4. Haunted
5. Dry (I’m Your River)
6. Ordinary Tune
7. Falling Out of ViewCover Songs / Live VersionsClarity — Live on the Honda Stage at The Peppermint Club.Coming Home — Live on the Honda Stage at The Peppermint Club. ↗Gangsta — Live on the Honda Stage at The Peppermint Club.Love The Way You Lie — Live on the Honda Stage at The Peppermint Club. ↗Moving Mountains (Live at The Fonda) ↗