Cielito Lindo
This Mexican folk song, popularized in 1882, has a tune that is instantly recognizable and totally unforgettable. Translated as "Lovely Sweet One", you'll likely know it by the refrain "Ay, Ay, Ay, Ay, Ay". A favorite of mariachi bands and sung by soccer (or football!) fans the world over, it will soon become your favorite tune to ring as well.