숙희 – 그려본다
Track 01 from Single "내 손을 잡아 OST Part.3"
Release Date: 2014.02.06
숙희 – 마취
Track 01 from Single "왕가네 식구들 OST Part.3"
Release Date: 2013.11.30
숙희 – 남이 될까봐 (Feat. 제이스 Of 미스에스)
Track 01 from Single "남이 될까봐"
Release Date: 2012.02.21
숙희 – 나의 자리는 그대죠
Track 01 from Single "막돼먹은 영애씨 시즌16 OST Part.15"
Release Date: 2018.01.15
숙희 – 떠나가줘
Track 01 from Single "판타스틱 OST Part.5"
Release Date: 2016.10.01
숙희 – One Chance
Track 01 from Single "착하지 않은 여자들 OST Part.5"
Release Date: 2015.04.28
숙희 – 틈
Track 06 from Album "왕가네 식구들 OST"
Release Date: 2014.02.15
숙희 – 마취
Track 04 from Album "왕가네 식구들 OST"
Release Date: 2014.02.15
숙희, 미스티 – 나 지금 집앞이야
Track 01 from Single "Goodfellas Project #1"
Release Date: 2012.10.25
숙희 – 정때문에
Track 02 from Single "위험한 여자 OST Part.3"
Release Date: 2012.03.19
김진표, 숙희 – 좋은 사람 (Drama Ver.)
Track 02 from EP "싸인 OST Part.5"
Release Date: 2011.02.10
숙희 – 보이지 않나요
Track 01 from Album "화려한 유혹 OST"
Release Date: 2016.03.22
숙희 – One Chance
Track 05 from Album "착하지 않은 여자들 OST"
Release Date: 2015.05.18
숙희 – 정 때문에 (Ballade Ver.)
Track 05 from Album "밥줘 OST"
Release Date: 2009.07.22
환희, 숙희 – 바보가슴
Track 01 from Single "바보가슴 (Digital Single)"
Release Date: 2010.05.27
숙희 – 그려본다
Track 04 from EP "내 손을 잡아 OST"
Release Date: 2014.02.28
애프터스쿨, 브라운아이드걸스, 케이윌, 간미연, 테이, 숙희, 안영민 – 눈 내리는 마을
Track 01 from Single "눈 내리는 마을"
Release Date: 2009.12.22
김진표, 숙희 – 좋은 사람
Track 01 from Single "싸인 OST Part.1"
Release Date: 2011.01.05
숙희 – 천상 여자 (Feat. PK 헤만)
Track 02 from EP "SG Wannabe ＆ 숙희"
Release Date: 2009.02.05
숙희 – Missing You
Track 05 from EP "조영수 All Star 2.5"
Release Date: 2010.03.04
숙희 – 꿈이 있어요
Track 07 from Album "파랑새의 집 OST"
Release Date: 2015.08.08
김진표, 숙희 – 좋은 사람 (Original Ver.)
Track 17 from Album "싸인 OST"
Release Date: 2011.02.24
김진표, 숙희 – 좋은 사람 (Drama Ver.)
Track 06 from Album "싸인 OST"
Release Date: 2011.02.24
숙희 – 떠나가줘
Track 05 from Album "판타스틱 OST"
Release Date: 2016.10.28