The Miracle Piano Teaching System was a NES game, which used the Miracle Piano to teach gamers how to play the Piano. There were also releases of the Game on the SNES, Apple Macintosh, Amiga, Sega Genesis and PC.
Why Make software for a video Game system that teaches Piano? Most gamers would not have the attention span for something as tedious as learning the Piano, but this was not flawed. It added minigames, to enchance the likely hood that a gamer would pay for this. It included not only old, boring piano songs, but show tunes and rock songs as well!