Esther – I Believe
Track 03 from Album "Believes"
Release Date: 2003.12.17
Esther – 거짓말
Track 02 from Album "Believes"
Release Date: 2003.12.17
Esther – 그대에게로
Track 01 from Album "자이언트 OST Part.5"
Release Date: 2010.10.05
Esther – 젤러시
Track 01 from Album "Believes"
Release Date: 2003.12.17
Esther – 그대에게로
Track 11 from Album "자이언트 OST"
Release Date: 2010.11.09
Esther – True Love
Track 05 from Album "심부름"
Release Date: 2009.02.20
Esther – 사랑 그까짓게
Track 02 from Album "수상한 삼형제 OST"
Release Date: 2009.10.29
Esther – 그녀를 웃게 해
Track 02 from EP "볼수록 애교만점 OST Part.2"
Release Date: 2010.05.18