Adele returned in a big way with this year's "Hello." The single reminded everyone just how much her voice and lyrics can express. The song's brief preview during the U.K. version of The X-Factor just a week before its official release was met with unparalleled excitement, and the single itself delivered, marking a return to the singer's lovelorn form, though Adele has promised that 25 will not be another break-up album...More info: Adele - Hello
Adele won an Oscar in 2012 for her epic, cinematic contribution to the hefty roster of Bond songs. The dark, moody track swept during awards season, getting trophies at not only the Academy Awards, but also the Grammys, Brit Awards and Golden Globes, as well as becoming an instant hit, perfectly suited to follow up the success of 21...More info: Adele - Hello
The roaring power ballad "Set Fire to the Rain" gave Adele her third consecutive Number One song. On the massive single, Adele's voice soars like a firework flame, even though the idea of "setting fire to rain" may seem a bit ponderous. During a live show, however, the singer cleared up the title's meaning, saying that she gained inspiration after a lighter stopped working in the rain...More info: Adele - Hello
