who made the number-one hits in south korea in 2012?
t-ara, big bang, busker busker, girls' generation-tts, wonder girls, 2ne1, psy, jung eunji & seo in guk, gain, lee hi, lee seung gi
of them, who made the top two on the year-end chart?
busker busker, psy
if you exclude psy, who else made top two?
busker busker