The long-awaited successor to 's 2009 breakthrough, , is also a concept album -- a sprawling double concept album, in fact, with its first side about living the nightlife and the second about the resulting moral and physical hangover. Similarly, songs are split between euphoric synth pop full of witticisms ("Si Tu Me Dices Ben, Yo Digo Affleck") and more somber, epic ballads ("Belice"). Now that the band has become one of Spain's biggest pop acts, topped the charts upon its release. ~ Mariano Prunes