Henryk Gorecki's Symphony of Sorrowful Songs is maybe most familiar from the way a piece of it makes this scene in Peter Weir's 1993 film Fearless:
His symphony No. 3 was written in three movements; two, the first and last, from the perspective of a parent who has lost a child and the middle from the perspective of a child who has been separated from a parent. Here's the whole thing:
It's relentlessly sad, sure. But awesome in its powers of acceptance and enduring love, sympathy, feeling, something?