^^^Uhh, no. Not exactly. Though it is practically a requirement for any games in the megaman franchise to have good music...that's not what it's about.
It's a ROM hack of megaman 4 for NES. Rock Man is what Mega Man is called in japan. Dr Light created 2 robots Rock and Roll. Rock being the more courageous became RockMan/Megaman.
Hack RockMan 4 MI: