| | SEULGI, SinB, CHUNG HA & JEON SOYEON | Wow Thing | |
| | BamBam | Who Are You (feat. SEULGI) | |
| | SEULGI | 28 Reasons | |
| | Wendy & SEULGI | 너만 보여 | |
| | TAEMIN | Heart Stop (feat. SEULGI) | |
| | Moon Byul | Selfish (feat. 슬기) | |
| | KANGTA, WENDY & SEULGI | Doll | |
| | WENDY & SEULGI | Don't Push Me | |
| | SEULGI | In my memory | |
| | Wendy & SEULGI | 너만 보여 | |
| | YESUNG & SEULGI | Darling U | |
| | WENDY | Best Friend (with SEULGI) | |
| | SEULGI | Atlantis Princess | |
| | YESUNG & SEULGI | Darling U | |
| | WENDY & SEULGI | Don't Push Me (Ballad Ver.) | |
| | SEULGI | 그대는 그렇게 | |
| | SEULGI | You′re My Joy and Luck (feat. 임인건) | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | Mama | |
| | DOYOUNG, SEULGI, Baek Z Young, SEO EUNKWANG, LEE CHANGSUB, Hyunjae, Minyoung, MJ, KIM JAE HWAN, HA SUNG WOON, 10CM, Insooni, Ok Joo Hyun, Park Bom, Kim Tae Woo, Hwang Chi Yeul, Y, Tiger JK, Bizzy, WEi, Lee Su Jeong, JI SUYEON, SUYUN, JANE, 주이, AHIN, Cha Jun Ho, Hyung Ho Kang, Johan Kim, Letteamor, SIYEON, ユヒョン, SINCHONTIGER, IZ, WAX, Lee Sang Min, CHEETAH, TEO & TRI.BE | Now N New 2021 (3D Sound) | |
| | SEULGI | Always | |
| | Moon Byul, JEON SOMI, Ryu Sujeong, SEULGI, YooA, Dana & 소희 | Deep Blue Eyes | |
| | Moon Byul | SELFISH (feat. 슬기) | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | Hope | |
| | SEULGI & LOOZBONE | 28 Reasons | |
| | SEULGI | Unexpected Business Season 3: Polaroid (Original Television Soundtrack) | |
| | SEULGI | Dead Man Runnin’ | |
| | MAMAMOO | Selfish (feat. Seulgi) | |
| | SEULGI | Always | |
| | SEULGI | Los Angeles | |
| | SEULGI | Always | |
| | SEULGI | Anywhere Anytime | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | One Fine Day | |
| | WENDY & SEULGI | Don't Push Me (Ballad Ver.) [Instrumental] | |
| | KAI, SEULGI, JENO & KARINA | Hot & Cold | |
| | KANGTA, WENDY & SEULGI | Doll | |
| | SEULGI & ALi | 소원을 말해봐 (주말의 명화 시네마 천국 & 주문하시겠습니까 팝콘 소녀) | |
| | SEULGI | 추억의 책장을 넘기면 (주말의 명화 시네마 천국) | |
| | SEULGI | Anywhere But Home | |
| | SEULGI | You′re My Joy and Luck (Instrumental) [feat. 임인건] | |
| | SEULGI | In my memory | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | Growl / Mirotic | |
| | Hwang Chi Yeul & SEULGI | Our Story (feat. Kassy) | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | One Day One Chance (Reprise) | |
| | Wendy & SEULGI | 너만 보여 (Instrumental) | |
| | SEULGI & Moksi | Los Angeles | |
| | MARK | Drop (feat. SEULGI) | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | Intro-Destination | |
| | Moon Byul & SEULGI | SELFISH | |
| | MAX, LUNA, SUHO, SEULGI, KEY, XIUMIN & JO EUN | Genie | |
| | LUNA & SEULGI | Pretty Girl | |
