Joe Hisaishi, a pianist who works with Miyazaki Hayao, has several good songs.
"Summer (Kijiro's summer), rain"
There are some others.
Melody of the night
Woju piano episode
Meet (Piano Edition)
My soul (alias-sadness or happiness)
The fact that you left
Final Fantasy 9 Touching Piano Music-Melody of Life
Zong Cilang-the original scenery of my hometown.
Slightly sad
Piano Music by Thinkers Kiirala and Aphrodite
The secret garden in the mysterious garden
The piano music "Reason-Reason" in blue life and death love,
The music of winter love songs "From the beginning to the present" and "My Memory"
And "Missing the Cradle of Sleeping"
The lighter one is from Bandari.
Anne's Wonderland and One Day in Spring.
Snowdrift, Endless Horizon and Infinite Horizon
And Richard Clayderman's Adeline by the Water.
I'm a little tired of kissing the rain, but I can go and listen to it.
Some of them are not mentioned for the time being.
These are all things I have heard, so I might as well try them.