This is Reik, a Mexican pop band growing in popularity all over Latin America. "Fui", from Reik’s third studio album Un día más, is an emotional song with an intimate look at heartbreak.

Ah, catchy songs: They get under your skin and won’t leave your head. Here Mexican pop band Reik sings a catchy song about a catchy girl—at least, Reik’s crooner seems incapable of forgetting her.

The first couple of lines of this song are happy enough, and then—pow—she left and the pain won’t disappear. Mexican pop band Reik belts out a plaintive song about heartache. Have tissues handy.