I and Me Original Soundtrack contains 13 tracks:
01. Main Theme
02. Bizet's Flute
03. Piano and Cello
04. Warm Strings
05. Celesta
06. Mozart's Clarinet
07. Harp in Rain
08. For Cello
09. Sound of Snow
10. Dandelion
11. Poetry of Rain
12. Wiegenlied
13. I and Me

Soundtracks can be found in the Steam game directory:
...\Steam\steamapps\common\I and Me\I and Me Original Soundtrack