Coldplay's breakneck work ethic has given fans a side benefit of stockpiling a vast arsenal of singles and rarities. B-side “Rainy Day” emphasizes their dedication to precision and big sounds, whereas their contribution to Angelina Jolie's film Unbroken (“Miracles”) is the stuff of persistence and grace. Their legendary live shows feature dizzying sing-alongs and unforgettable refrains, as on “Fix You (Live).”