Tragic Nostalgic Music Composition

I need a skilled composer to create a tragic, nostalgic, and dramatic music piece for a flashback montage in a movie.

Requirements:
- Conveys a bittersweet and nostalgic mood
- Preferred genres: piano, orchestral, or experimental
- Main instrument: piano

Ideal Skills and Experience:
- Expertise in composing for film
- Proficiency in piano and orchestral arrangements
- Experience with experimental music

Please provide samples of similar work.