 The game uses these functions to split the game screen into two portions, a playfield on the top and a status bar on the bottom.This allows the top portion to scroll as the character navigates the stage while the bottom portion remains static to display text and other information.Like its predecessors, the music in "Super Mario Bros. 3" was composed by Koji Kondo, who composed several new songs as well as returning melodies from "Super Mario Bros." According to Kondo, who had composed the music in "Super Mario Bros." based on what he believed fit the levels rather than focusing on composing a specific genre of music, the game was the most difficult game for him to compose.