b1a4 (sandeul)

One More Step(Замкнутый / Чувствительный босс ОСТ) 

Here I Am (Inst.) 

Emergency Room (King of Masked Singer OST) 

Fly High 

같이 걷는 길 

Ways to live like a man (Immortal song 2) 

Fly (날아올라) (Inst.) 

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

한 걸음만 더 (One More Step) (Inst.) 

야! (Feat. 휘인) 

희재 (Duet Song Festival) 

Reach you (Wannabe Challenge OST Part 2) 

Here I Am (LOVELY HORRIBLY OST PART. 2) 

solo 

마음을 삼킨다 (Moonlight Drawn By Clouds OST) 

I'm A Candle Before You [Immortal Song] 

Arirang song 

Crush 

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

My Love In Distant Memory 

아리랑 목동 (Sandeul Baro CNU)  

Becoming Dust @ 2015 KBS Song Festival 151230 

한 걸음만 더 

Emergency Room 

Tell me (말해줘) (inst.) 

나의 어릴 적 이야기 

잊혀진 계절 (Forgotten Season) 

immortal song 2 121208 

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

Tell Me [OST Люк] 

Love, always you (duet. Gongchan) 

You inside my memory 

In Your Arms (Immortal Song 2) 

Tell me (Inst.) 

One More Step 

집 

한 걸음만 더 

한 걸음만 더 

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

차표 한 장 (Immortal Song 2) 

Fly High 

Just the two of us 

The Way to Live like a Man 

한 걸음만 더 

말하는 대로 

Dance With DOC(Immortal Song 2) 

Because You Might Not Come 

추억 속의 그대 

One More Step (OST "Замкнутый босс") 

I'm A Candle In Front Of You