All I Sing Are Local Songs, How Come I'm Top-Notch?

Wei Shi traveled to a parallel world with advanced entertainment development, and awakened the absolute earthy system. As long as the opponent is earthy, he can get corresponding points. Then.... One after another, folk songs came out. "Little Apple", "Can't afford to be hurt", "Above the Moon"... A few years later, Wei Shi, who became a top player, looked at his limited earth-flavored points and looked confused. No, all I sing are local songs, how come I'm top-notch?