b1a4 (sandeul)

Because It Hurts Inst. (God's gift- 14 days OST) 

희재 (Duet Song Festival) 

I'm A Candle In Front Of You 

I'm A Candle Before You [Immortal Song] 

One More Step(Замкнутый / Чувствительный босс ОСТ) 

Arirang song 

Here I Am (Inst.) 

Because You Might Not Come 

Emergency Room 

마음을 삼킨다 (Moonlight Drawn By Clouds OST) 

차표 한 장 (Immortal Song 2) 

한 걸음만 더 

Tell me (말해줘) (inst.) 

One More Step (OST "Замкнутый босс") 

잊혀진 계절 (Forgotten Season) 

Here I Am (LOVELY HORRIBLY OST PART. 2) 

한 걸음만 더 

같이 걷는 길 

Love, always you (duet. Gongchan) 

Dance With DOC(Immortal Song 2) 

Ways to live like a man (Immortal song 2) 

immortal song 2 121208 

Reach you (Wannabe Challenge OST Part 2) 

한 걸음만 더 

아리랑 목동 (Sandeul Baro CNU)  

말하는 대로 

You inside my memory 

한 걸음만 더 

Fly (날아올라) (Inst.) 

solo 

Just the two of us 

나의 어릴 적 이야기 

I`m a Сandle Before You (131026 Immortal Song) 

Because You Might Not Come by Lee Mi Ja (Immortal Song 2) 

Tell me (Inst.) 

추억 속의 그대 

야! (Feat. 휘인) 

My Love In Distant Memory 

I Was Able To Eat Well [King of Mask Singer] 

In Your Arms (Immortal Song 2) 

Emergency Room (King of Masked Singer OST) 

Fly High 

집 

One More Step 

The Way to Live like a Man 

한 걸음만 더 (One More Step) (Inst.) 

Becoming Dust @ 2015 KBS Song Festival 151230 

Tell Me [OST Люк] 

Fly High 

Crush