EXPLANATION:
In 1985, when the famous Japanese singer Hatsune Miku's song "Po Pi Po" became a hit, Sega created a shooting game loosely based on the said song. The game featured the song which looped throughout the entire ga...wait, WHAT THE HELL AM I TALKING ABOUT?!!
This was again made using MMC5 expansion chip, mimicking the sound of early 80's Sega arcades. The noise resembles the one used in the game Teddy Boy Blues (Arcade).