We call them mashups

Megalith  x Somebody that I used to know

Bury The Light x The Only Thing I Know For Real

Logan Mader ft. Jamie Christopherson - The Only Thing I Know For Real vs. Victor Borba ft. Casey Edwards - Bury The Light
-Hey Sam! Give me Murasama.
-If you want it, you'll have to take it!

Bury The BLOODSHED(Jetstream Vergil)

Reset City

"Bassline Junkie" by Dizzee Rascal x "GCN Baby Park" from Mario Kart 8.

Bassline Babies

Samples:
Childish Gambino - Sweatpants
Toby Fox - Death By Glamour
Toby Fox - Once Upon A Time

Death By Sweatpants

Dirt On Me

Hotline Miameme 2: Wrong Number

HYDROGEN RUMBLE TANK!

Straight Outta the Recycle Bin

DOSHTONA USA

Takyon Me by jam: https://www.youtube.com/watch?v=G3dxopqlIfU

songs used in no order:
Take On Me - Aha
Hot Head - Death Grips
Giving Bad People Good Ideas - Death Grips
Takyon (Death Yon) - Death Grips
Make The Mo̧s͠t Of̛ Įt ̢̡-̴̷ T̷̡͢h̶̸̢̡͞e̛͜ ͏̶̴̛͟A͊̾̉̍͗̔̈́ͥͩ҉͡m̃̆̀̇̈̈͐̚aͭͨ̿͂͐͂͋̔̕҉̛z̋ͪ̃̿͌̈́͑̉͏i̛̓̾͟n̷̛̏̅̔̄̏̒̏ģ̉̀ ͧ͑͡Wͥ͊ͤ̑ͤͭ̋͆̉ͬ̔͏̵̧̡̫͈̟ŏ̡͓̘͕̮͙̝̤̭̪̱́̀̒̌͠͡r̷̨̺̲̪̥͉͎̦͚̪̬̅͐̔́́͘ͅl̵̡̼͔̳̘̮̲͔̖̳̪͚̩̝̲͎͕̣̮̍̒̔̇̐͂͊̽͗̂̾͆́̓̄͊͗ͅḑ̸̘̖̭̠̘̻̯͓̘̤̹͖͌̓̾͑ͯ͗͝ͅ ̴̢̪͓̳̖͍̹͓̖̻ͯͨ́ͧͨ̐̓ͩͩͯÒ̴ͧ̎̀͏̨̫̝͙̪̲͔̲͕̤͇̯̟̝̬͓͞f̛̻̹̟͕̟̣̙͚̺͂͛͗ͫ ̶̶̛̞̞͓͎̝̥̮̤͂̔̾̑ͪ̿̒ͯͮ͐͐̓ͫͬ͒͠G̸̨̟̫̣̖̠̞̠̭̹̟͖̳̩͍͉̻̏̇̒ͫ̊̔̂͐̔͟u̵̺͖̟͕̭̲͖̝̯̯̭̜͍͍ͮ̓̐̋ͨͪ̀̈͛̍͂̌̍ͬͦ̎̅̅ͬ́̕m̨̬̠̯̜̠̙͇̦̗̰̆͂͋̽͢͠b́͊̉ͤ͏̴̮̮̳̦̟̭͎͞ͅa̫̝̦͖̖̗̻͔͕̻̫̓̋͋̄̈́ͧͥ̽ͨ̾͆̅̂ͧ̈͟͞l̡̻̭̰̘̱̻͙̱͚̺̅͆̅̋̆́̓̓̌̾̃͑̒̓́̈́̚l͍͕̬̊̏̉̔ͩ̀

There is no lore here, go away.

Takyon Me

Walkin' On The Character Select

Migos Kart (Bad and Boujee x Mario Kart Title Theme Mashup

The Killers - Somebody Told Me
Lil Nas - Old Town Road

Somehorsey Told Me

Meta Knight Got Back!

danganronpa is 9 years old as of today so what better way to commemorate than with a mashup of a song from the one that came out in 2017 and a screencap of the one from 2012 as a thumbnail.

sources:

Masafumi Takada - DANGANRONPA V3 (Full Version)
The Seatbelts - Tank!

Tankanronpa!

og vid:
https://youtu.be/85VQEzwzAvE

mashup between:
Mittsies - Vitality (VIP Edit)
Tech N9ne - Speed of Sound

SPEED OF HELL

Cheryl Lynn - Got to Be Real
THE DU - CRAZY NOISY BIZARRE TOWN

We call them mashups

Depressed guy