What is the piano piece played at the end of airplane flashback on episode 19 of Nodame Cantabile season 1?


There's a piano piece playing at the end of the airplane flashback in season 1
episode 19 of _Nodame Cantabile_ at around 8:21.

What is that piano piece called?




It's the piano/slow version of the opening theme, "Allegro Cantabile".
([YouTube Link](https://www.youtube.com/watch?v=1fRu8EcZko4))

