This Guy's Acapella Version Of Mike Tyson's 'Punch Out' Will Make You Nostalgic (VIDEO)

In 1987, Nintendo came out with the "Mike Tyson's Punch-Out!!" video game. Nearly thirty years later, it is still beloved and remembered.



This week, YouTube user Smooth McGroove uploaded a video of him performing the game's iconic theme song with layered acapella tracks of himself singing.



WARNING: Serious nostalgia inside.