Ballad duo Bolbbalgan4 released its comeback album "Red Diary Page 1" and the album's title track "Some" during a showcase.
"We are so excited to introduce our new album," said the duo during its album showcase event on Thursday. "Some" is a song about emotions of a couple who are about to start their relationship.
The duo's comeback track has swept the real-time charts of major online music services such as Naver Music and Melon, shunning IU, who had been dominating the music charts for almost a week.