JEONG EUN JI, Seo In Guk - Couple

Seo In Guk - Scent of the sky
Seo In Guk - Thread of fate
Seo In Guk - Right Now
Seo In Guk - Galaxy
Seo In Guk - Flower

Seo In Guk, Francine Diaz - My Love

Seo In Guk - Out of time
Seo In Guk - 너랑은 뭐든

Seo In Guk - I like you

Seo In Guk, Ravi - MY LOVE (feat. RAVI)
Seo In Guk - BE MY MELODY

Seo In Guk - Fallen
Seo In Guk - Youth

Seo In Guk - Distant Fate

Seo In Guk, Jung Somin - Star

Seo In Guk - Better Together
Seo In Guk - Mint Chocolate (Feat. 40)

Seo In Guk - Seasons of the Heart

Seo In Guk, VIXX, gugudan, Park Yun Ha, Park Jung A, Kim Gyu Sun, Kim Ye Won, Ji yul - Falling

Seo In Guk - BeBe

Seo In Guk, VIXX, Park Jung A, Park Yun Ha - Love In The Air

Seo In Guk, dk - 슬픈거짓말

Seo In Guk - 너 땜에 못살아 (Feat. Verbal Jint)

Seo In Guk - With Laughter or With Tears
Seo In Guk - 행복했을까 (Feat. Koo Hye Sun)
Seo In Guk - 너 땜에 못살아 (Feat. Verbal Jint)

Seo In Guk - No matter what

Seo In Guk, Zia - Loved you

JEONG EUN JI, Seo In Guk - Just the way we love

Seo In Guk - Bad
Seo In Guk - Tease Me
Seo In Guk - Time Machine (Feat. Swings)
Seo In Guk - Brand New Day

Sung Si Kyung, Park Hyo Shin, Lee Suk Hoon, Seo In Guk, VIXX - Because It's Christmas

Seo In Guk, Take#1 - Love Again

Seo In Guk - Shake It Up

Sung Si Kyung, Brian, Seo In Guk, Park Haki, Park Janghyeon, Hwang Project - 모두에게 크리스마스

Seo In Guk - Take

Seo In Guk - Beginning
Seo In Guk - 사랑해 U
Seo In Guk - My Baby U
Seo In Guk - 마지막 생일
Seo In Guk - 왜 웃기만해
Seo In Guk - Prime Time (Feat. Lisa)
Seo In Guk - 첫눈에 (Feat. Bekah of 애프터스쿨)
Seo In Guk - 사랑해 U (Lovely Ver.)

Seo In Guk - Beginning
Seo In Guk - 사랑해 U
Seo In Guk - 마지막 생일
Seo In Guk - 왜 웃기만해
Seo In Guk - Prime Time (Feat. Lisa)
Seo In Guk - 첫눈에 (Feat. Bekah of 애프터스쿨)