Every single one of these 8-bit melodies is permanently etched into gaming's DNA. Nintendo FAMICOM MUSIC is a 2013 compilation pulling together tracks spanning the entire NES/Famicom library, from Koji Kondo's Super Mario Bros.
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to Hirokazu Tanaka's Metroid. The Zelda overworld theme still gives you chills in raw chiptune form, and Mach Rider's bassline goes unreasonably hard for 1985 hardware. Balloon Fight's breezy little tune sitting right next to Metroid's oppressive corridors.
Then you get the Disk System exclusives like Nazo no Murasame-jo that most Western players never heard in their original context. If you want a crash course in why NES sound design shaped everything that came after, just press play.