HOPPIPOLLA Hoppipolla, a band composed of I'll (vocal/keyboard), Ha Hyun sang (vocal/guitar), Hong Jin ho (cello), and Kim Young so (guitar), reinterpreted various songs with a unique band member, drawing attention as soon as they won JTBC's show 'Super Band'.

Like the team name Hoppipolla, which means "to jump into a puddle" in Icelandic language, it delivers a message of peace and comfort through emotional music with the hope that many people will fall into their music.