Original sentence: All songs in each book have been rewritten by Asako Niwa as beginning to intermediate level piano solos, though they are meant to sound as much like the originals as possible
Edited sentence: The songs from Unlimited SaGa were rewritten by Tadaomi Idogawa as beginning to intermediate level piano solos, though they are meant to sound as much like the originals as possible, while the music for the other books was written by Asako Niwa