>>530272641
https://youtu.be/YDbCh47EI0A the loading screen one

And these two
https://youtu.be/vtKk1fy4wHk
https://youtu.be/OO1WIhFh_ME

The collab songs also have the same melody
https://youtu.be/M4DdR-LuodI?t=50s
https://youtu.be/g004sVqoiTs?t=1m27s

Hopefully is one of these