"Boxing - Game & Watch Gallery 4" is a high quality rip of "Boxing" from Game & Watch Gallery 4.
Jokes[]
At 0:02, the melody changes to "The Entertainer" by Scott Joplin. At 0:14, the melody changes to "Ripple Star Select" from Kirby 64: The Crystal Shards. The rip loops over once at 0:26, and again at 0:50 before fading out.