Keys:
* = Rumored/Unconfirmed Title
- Clicking on "(Cover)" will take you to the original artist's song
- “(Writers Demo)“ = The demo of the artist singing is unknown
- Clicking on the artist's name will take you to their version of the song or profile if not available

Alphabetically Organized by Album / Era:

Pre-Debut (Unreleased / Scrapped Projects):
Take Me to the Moon EP (Scrapped) - [2012]:
• Birthing Addicts (Demo)
• Curly Cue (Demo)
• I Think I'm Crazy (Demo)
• Smoke
• The One
Unleaked:
• Alonе
• I Love My Ride
• Milky Way
• Oh, Carousel

Unknown EP (Scrappеd) - [2013]:
• A Million Men
• A Thousand Words
• Birthing Addicts
• Bones Are Blue (Demo)
• Curly Cue
• Dear Porcupines
• I Think I'm Crazy
• Intervals
• Night Mime (2013 Demo)
• Race
• Rough Love (Demo)
• Time Flies
Melanie Martinez (Pitch) Demos:
• Can't Shake You (Pitch Demo)
• Heart At The Door (Pitch Demo)
• Until Sunrise
Unreleased Features:
• Wicked Words (with Jared Dylan)
Unreleased Collaborations:
• Last Chapter (Never Stayed For Love) (with Neon Hitch)
Cry Baby - Sessions [2013-2015]:
• 99 Cent Store
• Arts & Crafts
• Band Aid
• Bombs on Monday Morning
• Bones Are Blue
• Coloring Book
• Cooties
• Drowning
• Gold Diggin' Love
• Half Hearted
• Haunted
• I Scream
• Jumprope
• Mistakes
• Night Mime
• Patient
• Psycho Lovers
• Ring Pop
• Rocking Horse
• Rotten Milk
• Rough Love
• Run
• Schizo
• Seesaw
• Sticks And Stones
• Strawberry Fields (Cover)
• Trophy Wife
• Twins
• Unhappy Meal
• Where Do Babies Come From?
• You Love I
• Zzzz
Snippets:
• Cartoons*
• Heartbeat*
• Mirror, Mirror*
• Silly Tracks / Toy Box
Unleaked:
• Animal Crackers
• Ball Pit*
• King Of The Arcade*
• Shadow Puppets
K-12 - Sessions [2015-2017]:
• Eraser
• Glue Stick
• Papercut
Others:
• Angel's Song
• PIGGYBACK
Melanie Martinez (Pitch) Demos:
• AK-47
• I Scream (Pitch Demo)
• Night Mime (Pitch Demo)
Unreleased Features:
• I Scream (with Snow Tha Product)

After School - Sessions [2017-2020]:
• Absorb
• Clockwork
• Chrysalis
• Erase Her
• Function
• History
• Lost & Found
• Maze
• Paper Cut
• Spin the Bottle
• The Tunnel
• Trophy
• Under the Desk
PORTALS - Sessions [2020-2023]:
• Barely Juice
• Corpse
• Death (2020)
• Dragon’s Blood
• Emerald
• Fingers Crossed
• Garden
• Gravitate
• Hawaii Space Guitar
• Inconsistent Flame*
• Jinx
• Labyrinth
• Magnets
• Mother of Pearl
• Needle and Thread
• Not Dead, Just Expired
• Puzzles
• Synchronicities
• Tunnel Vision (2020)
• Void (2020)
• Walkie Talkie
Instrumentals:
• Fairy Dance
• GTR Vibe
• Hard AF Beat
• March Piano
• Mercury
• Spacey Synth Beat
Snippets:
• Menace to Society

MM4 - Sessions [2023-Ongoing]:

Unknown Era:
• Can't Help Falling In Love (Cover)
Snippets:
• Fragile*