Coba jelasin Diskografi dari Byul dong

Byul Vol. 1 - December 32 (2002)

왜 모르니 (Why Don't You Know)

별의 자리 (A Star's Place)

얼마나 사랑하는지 (How Much I Love You) (feat. 비)

마음과 다른 말 (Saying Something Different From What Your Heart Feels)

그가 멀어질 때 (When I Am Further Away From You)

잊을 수 없네요 (I Can't Forget You)

Byul Vol. 2 - Star (2005)

내 남자의 여자친구 (My Guy's Girlfriend)

Saving My Best For You

이젠 내게 (Now to Me)

각자의 길 (Our Own Ways)

나를 봐요 (Look At Me)

Byul Vol. 3 - Lachrymal Glands (2006)

괜찮은 오늘 (feat. MC 몽)

만나러 가는 길 (feat. Double K)

Byul Vol. 4 - Her Story (2007)

Byul Vol. 5 - Like A Star: Primary (2009)

니가 떠난다 (Feat.박장근 Park Jang Keun)

You Are The Best (넌 최고야) (2013)

Full House OST: "I Think I" 2004

Missing You OST Part 3: "Reminds of You" (feat Shorry J) - released 5 December 2012

Who Are You: School 2015 OST Part 4: Remember

Meskipun dia tidak memiliki banyak penampilan di luar program musik, dia telah membuat penampilan khusus pada acara varietas Korea Selatan Happy Together. Dia juga telah menjadi tamu untuk Running Man Ep. 251, yang berpartner dengan suaminya, HaHa. Pasangan ini juga memenangkan misi akhir, menerima sepasang cincin emas berbentuk bintang.