In the immediate future, I think I'll stick with adding new content (more paid song packs and more free songs). Farther in the future, it might be fun to add a

In the immediate future, I think I'll stick with adding new content (more paid song packs and more free songs). Farther in the future, it might be fun to add a "game" section where users can play short DDR/GuitarHero style games to practice rhythm and possibly learn how to read music.