Doyoung X Sunday - Still (SMTOWN LIVE)
AKMU X Jinyoung X Jisoo X Doyoung - Winter Child (Inkigayo Special Stage)
Jinyoung X Jisoo X Doyoung - Someone In The Crowd (Inkigayo Special MC Stage)
Doyoung X TWICE Jihyo - All For You (KBS Music Bank Special Stage)
Doyoung X Jaehyun - To You (Show Champion MC Special Stage)
Doyoung X Kim Minha - Fallin'
NCT U Doyoung & Haechan - Maniac
Doyoung X Various Artises - NOW N NEW 2021
Baekhyun X Doyoung - Doll
NCT U Taeil, Doyoung, Jaehyun & Haechan - Coming Home
SMTOWN - This is Your Day (for every child, UNICEF)
Doyoung X ROCOBERRY - Don't Say Goodbye
Doyoung & Sejeong - Star Blossom
Doyoung - Unable to Love ('Dear X Who Doesn't Love Me' OST)
Doyoung - A Little More ('Soundtrack #1' OST)
Doyoung - Like a Star ('Yumi's Cells' OST)
Doyoung - Night Air ('Cafe Midnight Season 3: The Curious Stalker' OST)
NCT U Doyoung & Mark - Baby Only You ('Tale of Nokdu' OST)
Ryeowook, Onew, Doyoung, Chenle, Xiaojun - Where You Are (SMCU PALACE Winter Album 2022)
NCT 127 Doyoung, Jaehyun & Jungwoo (DOJAEJUNG) - Can We Go Back (후유증)