Barber's Adagio for strings, although it gets referenced enough; Khachaturian's Spartacus and Phrygia, especially the brass version; Holst's planets, esp Uranus; Beethoven's 7th; Gorecki's 3rd.
In this version: https://youtu.be/BBeXF_lnj_M?si=kPTUsAB19_RyECO5