I have made this top starting from the question:
Which are, from the movies I have seen, the ones who best represent the essence of music, as felt and lived?
1. The Red Violin Music by John Corigliani. Won an Academy Award.
2. The Pianist Music by Wojciech Kilar. Won a Cesar.
3. Shine Music by David Hershfelder Nominated for the Academy Awards and Golden Globe.
The “Rachmaninov” classic scene from “Shine”
4. Le Concert Music by Armand Amar
Music by Glen Hansard and Marketa Irglova
Special mention for
The Sound of Music Music by Irwin Kostal, won an Academy Award