Songs

DK Summit: Minero - Bi-Polar
Coconut Mall: ProtoTypeRaptor - Drive Hard
Wario's Gold Mine: Pelussje - Blue Demon

Daisy Circuit: Tommy Noble - The Engineer
Koopa Cape: Kaskade - Lick It (Feat. Skrillex)
Maple Treeway: The Noisy Freaks - DREAM
Grumble Volcano: Ryan Enzed - FTCA

Dry Dry Ruins: Ryan Enzed Feat. Vodge Diper - Reckless
Moonview Highway: Cyberpunkers - Dungeon (Far Too Loud Remix)
Bowser's Castle: Tiger & Wolf - Feed The Beast
Rainbow Road: Sort Of Sick - Rebirth

Peach Beach: Jefr Tale - White Lights
Yoshi Falls: Mord Fustang - Super Fever
Ghost Valley 2: Liberty - Prototype
Mario Raceway: Distantt - Hyperdrive

Sherbet Land: Synthetic Epiphany - Forbidden Colours
Shy Guy Beach: Modulation - Groovy Movie
Delfino Square: Alex Kidd (USA) and King Kornelius - Milk and Cookies
Waluigi's Stadium: Probe - Ultimate

Desert Hills: Favright - Funcats
Bowser's Castle 3: Elixir - Vision
Jungle Parkway: Blastoise - Odyssey of the Gods
GCN Mario Circuit: Hirshee - Bang This

Mario Circuit 3: Mstrkrft - Heartbreaker Feat. John Legend (Laidback Luke Remix)
Peach Gardens: Insan3Lik3 - Bad Pitched [from Heaven]
DK Mountain: Porter Robinson - Language
N64 Bowser's Castle: Joachim Garraud - Hook

Waiting for Wifi: Favright - Television
Waiting for race to start: Wolfgang Gartner - Wolfgang's 5th Symphony
First place music: Chuckie - Who Is Ready To Jump
Satisfying race music: Paul Anthony & Soulfix - Big Bang
Losing music: The M Machine - Deep Search

Additional Notes:
~It's not flawless, but it's good enough.
~Only Sherbet Land is not electro because the vibe for the song I picked fits
perfectly well, in my opinion.