Jaehan dari grup SPECTRUM merilis sebuah lagu solo berjudul The Untold Story (하지 못했던 말).
Lirik The Untold Story (하지 못했던 말) – Jaehan SPECTRUM
eonjebuteo yeogi honjayeossneunji
mam-eun ontong sangcheoppun-iya
heuleuneun sigan-eul dallyeowa
hollo nam-eun na-egen
eotteon maldo deulliji anh-a sseulsseulhammanamudo mollass-eul geoya eolmana himdeunji
amado geulaess-eul geoya naman himdeulgessji
chagabge bul-eooneun seulpeun balam sog-eseo naleul
kkog an-ajwo jebal
gudge dadhyeobeolin mam ijen dol-agal su eobsgie
heulleonaelin nunmul-eul eogjilo dakk-anaego
chagaun bamhaneul-eda deonjyeo
ij-eul su eobsdeon apeun gieogdo
modu ij-eobeolige haejwoeonjebuteo yeogi honjayeossneunji
mam-eun ontong sangcheoppun-iya
meomchwojin sigan-eul dolligo
dasi dallyeobogien
jichyeobeolyeoss-eo jebal
gudge dadhyeobeolin mam ijen dol-agal su eobsgie
heulleonaelin nunmul-eul eogjilo dakk-anaego
chagaun bamhaneul-eda deonjyeo
ij-eul su eobsdeon apeun gieogdo
modu ij-eobeolige haejwohan beondo mam pyeonhi malhaji moshaessdeon
naui mam ijen modu malhae bolgeyo
gaseum-i apawayo
naleul kkog an-ajwoyo
honja nam-a seulpeuji anhdolog gieoghaejwoyogudge dadhyeobeolin mam ijen dol-agal su eobsgie
heulleonaelin nunmul-eul eogjilo dakk-anaego
chagaun bamhaneul-eda deonjyeo
ij-eul su eobsdeon apeun gieogdo
modu ij-eobeolige haejwo