Ost in order: Title Screen: Super Smash Bros Melee Menu Theme - Super Smash Bros Brawl Overworld theme (day): Toy Time Galaxy - Super Mario Galaxy Overworld theme (night): The Key - Maf 464 Underground theme: Underground Riddims McVaffe Remix - Super Mario Bros 2 Level Clear: Mario victory theme - Super Smash Bros Brawl World Clear: World Clear - Super Mario All Stars: Super Mario Bros Ending: Ending - Super Mario All Stars: Super Mario Bros