The included soundtrack in Metal Gear Solid 5: The Phantom Pain, no matter how big and varied, is nothing compared to having the ability to import your own music into the game.
The PC version of Metal Gear Solid 5: The Phantom Pain allows you to import any music you have into the game. Because you can upgrade your helicopter with a set of loud speakers, it's possible to evac to the tune of your favourite songs.
Which is exactly what a few players are doing, each with their own unique take.
Here's SqeezyCheez blasting Team America's America, Fuck Yeah.
Now for the Batman theme, courtesy of Dark Fade.
And of course The Time Is Now, from Verbose Toast.
Finally some Need for Speed Underground nostalgia from Thomas Rhodes with Get Low.