Happy Day Lyrics (Something About 1 Track 10)
Singer: Kim Byung Hwa
uh uh uh~
nunbushige balgeun haessari busoji-neun shiny day
onjena kkumkkwo-on dreams come true
o-neureun ottonil-deuri (u~)
shwimobshi maemdo-neun haru / bojalgot opget-jiman
keu soge sumgyojin pimireun naege sonjisha-neun happy day
________
Korean Lyrics (credit melon.com)
곡명 :Happy Day
아티스트 :김병화
앨범명 :1%의 어떤 것 OST
우 우 우~
눈부시게 밝은 햇살이 부서지는 shiny day
언제나 꿈꿔온 [...]

Kudae Sumshwineun Nalkkaji Lyrics (Something About 1% Track 4)
Singer: Kim Soo Jung / Romanization by Kreah
Also credit kreah-craze.com
chakkuman kojyoga-neun nae / ma-meul
keudaen imi algo isson-na-bwa
kam-chwowat-jiman / nae nunbi-cheul
teul-kyoboryon-nabwa
onjena odubkeman bo-yotdon
nae sal-meul bal-kke bi-chwojun
keu tta-seuhan sonkil
ije-neun seul-pohaji a-nha
chi-geum nae ape in-neun keudae
ma-chi kku-meul kku-neun got gata
keudae sum-shwi-neun nal-kkaji
nama-neul jikyojugil
naege daga-on i haengbo-geul
noh-chigo shipji a-nha
go-chin sesan-geul saragado
geudae-neun [...]

Chotsarang Lyrics (1% of Anything OST)
Singer: Kim Byeong Hwa / Romanization by Kreah
Also credit: http://kreah-craze.com
iron nae ma-um algo innayo
ottohke nae mam gobae-khalkka
nan turyowossotjyo hokshina kudae mam morojilkkabwa
chogi molliso kudaega oneyo
bolsso nae mamun kudae gyote
nul hamkke haetjiman tan hanbondo
nae mam pyuhyonhanjogomneyo
hago shipunmarun nomu ma-nhunde
nomu hu-nhan kuron yae-gidul
nan bujo-kha-jiman yongwontorok
kudaemanul jikyojulkkeyo
kudaerul bonaejun hanure kamsahae
kudaenun nae salme kajang [...]

Chut Noon Chuh Rum – Park Hyun
Chonnunchorom Lyrics (1% of Anything OST)
Singer: Park Hyun / Romanization by Kreah
Also credit: http://kreah-craze.com
chonnunchorom naege taga-un mosub
ijenun kudae saranguro
nae ma-um kadukhi chaewotugoso
tujong borimyo hwanaenun kudaega narul aetage hae (oh)
yejonon mollatdon nae i ma-um
noye pume kadukhan changmiggot han dabal
choguman noye du sonul machuchapgoso
ajik bujokhaedo no hana jikyojul ga isso
i sesang [...]