He may have created the epic soundtracks for the Legend of Zelda and Super Mario Bros., but the music for the new game with Link will not be composed by Koji Kondo. In a recent interview he said, that he is supervising the production and he will looking over that, but he is not actively composing for the game. Kondo has mainly been used in a supervising position in recent years and it is likely that Mahito Yokota will be the composer, even if nothing has been officially confirmed at this point.