Chopin Nocturne featuring the key of Eb major.
(notes in music are A - B - C - D - E - F - G,
the black notes on a piano are
either sharp # or flat b)

(some treatment attempting an old world feel)

Here is an airing by someone who was very famous in the musical world



Rachmaninoff plays Chopin
Some may recognise the tune being the theme
to an old movie called "The Eddie Duchin Story"
This is my cousin's favourite "classical" piece of music.