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)