Here's a fresh one! 
Well, doesn't sound too mario-esque, but it's part of the soundtrack since I pretty much mashed up 5 themes into this. 

I can visualize this as a transition between mountains, forest and sea, perhaps a gliding stage or riverside, so have fun figuring out the related motifs!

Youtube Link:
https://youtu.be/JPzVDnpDxlE

OST - Downstream Windside

little girls
i like to touch little girls

KIDS IN MY BASEMENT

Track by: Demencion
Art by: Dafisha
Demencion
Yep, he's back! After his first instance in a tournament, he took a break for a few months with some of his friends, and now he's back with a twist, but still got his old tricks! He still may not be competing, but he's bound to show he's still got it!
-Songs in the new wave/synth-pop genres (Eg. Talking Heads, The Eurythmics, Men At Work, Rick Astley, etc.)
-Games developed/published by Beenox (Eg. Crash Bandicoot 4: It's About Time, Skylanders Swap Force, Tony Hawk's Underground, Guitar Hero Smash Hits, etc.)
-Media related to the mind, mental processes, or internal struggles (Eg. Left Brain Right Brain, Skylanders Imaginators, Astronaut In The Ocean, Nobody's Hero, etc.)
-Songs associated with cursed/absurd or hard-to-define media (Eg. Bonfire, Extinction Party, Tally Hall, Death Grips, etc.)

Sources:
Joe Hawley - Your Mother is a Basketball (Hard To Define)
Masked Wolf - Astronaut In The Ocean (Internal Struggles)
Oingo Boingo - Weird Science (Absurdist/New Wave)
Bo Burnham - Left Brain, Right Brain (The Mind)
Men At Work - Down Under (New Wave)
Gwen Stefani - The Sweet Escape (Internal Struggles)
100 Gecs - Stupid Horse (Hard To Define)
Men At Work - Who Can It Be Now? (New Wave)
Johnny Cash - Ring Of Fire (Beenox [Tony Hawk's Underground 2])
Rick Astley - Never Gonna Give You Up (New Wave)
Juice WRLD - Lucid Dreams (Mental Process [Dreams]/Internal Struggles)
Friday Night Funkin' - Monster [SiIvaGunner] (Semi-Offsource [Cover of Lucid Dreams])
Childish Gambino - Bonfire (Cursed)
Hall & Oates - Out Of Touch (New Wave)
The Eurythmics - Sweet Dreams (New Wave/Mental Processes [Dreams])

EXPECT THE UNEXPECTED

Art by: Dafisha
Track by: Craftershaft

Spencer Herbert
heya pal, you better watch out for this next contestant, cause this is spencer! he's a down to earth, chill dude who posseses a great power that can pop an artery. i wouldn't mess with em if i were you.
-Official/Fanmade Undertale Media
(Backbone, MEGALOLAZING, Arteri, Tokyovania)
-Songs related to Spiders
(What's Up Danger, Spider Dance, Itsy Bitsy Spider, Vriska's Theme)
-Songs related to Laziness
(Garfield, lazy, Lazy)
-Songs by Bruno Mars
(The Lazy Song, 24K Magic, That's What I like)
Sources:
No More Nuzzles - Undertale: Halloween Hack (Undertale Media)
Bruno Mars - That's What I Like (Bruno Mars)
Spider - Bo Burnham (Spider)
Bibulus - RocketWithAPocket (Undertale Media)
Bruno Mars - Locked Out of Heaven (Bruno Mars)
Undertale dog bark/Spamton ringing sfx (Undertale)
No One's Lazy in Lazy Town - LazyTown (Laziness)
Friends are There - Garfield And Friends (Laziness)

Steps of the Spider (Day 301 - 6/12/22)

The artwork is by Kay Nielsen.

The style here is similar to Hip Tanaka's tracks from Earthbound.

All composed, arranged, produced, and performed/programmed by me.

Überdub

Septette For The Dead Princess

Blade of the Broken King (Piano Rendition)

A fan-made victory fanfare for Porky Minch

MOTHER 3 - Enter the Pigmasks

crappy's theme in the fighters resource, a community project on the vg resource forums.

[SA: Grounded] Knuckletrousle (Tails Joins the Fight!)

Juddy [CyclonicCircuit]