https://www.youtube.com/watch?v=C3mAHkK8iiA&list=PL4ufSRQ4bOqCbXJVuxsu8B6xpaWS0BCH0&index=7
Hui & Hongseok - 'Already Winter / HuhGak & VROMANCE' (Cover)
https://youtu.be/z3a2PStb7zs?list=PL4ufSRQ4bOqCbXJVuxsu8B6xpaWS0BCH0
Hongseok - 'Goodbye for now/Kyuhyun' (Cover)
https://youtu.be/r5LSOI8K3Iw?list=PL4ufSRQ4bOqCbXJVuxsu8B6xpaWS0BCH0
Hong Seok - 'EVERY DAY, EVERY MOMENT (Should We Kiss First OST) / Paul Kim' (Cover)
https://youtu.be/EogiIO2Fq14?list=PL4ufSRQ4bOqCbXJVuxsu8B6xpaWS0BCH0
Yuto & Hongseok “Hanasanaideyo (Don't leave me) / SoulJa feat Aoyama Thelma
https://youtu.be/jiNa6vbZP5g?list=PL4ufSRQ4bOqCbXJVuxsu8B6xpaWS0BCH0
Hongseok - 'If Only / 나윤권' (Cover) (To Do List)
https://youtu.be/3DGK2Vtys3Q
Magazine Ho
https://www.youtube.com/playlist?list=PL4ufSRQ4bOqDKtrkfo2XIVQO9A2t6Qva1
Hongseok - 'MY LOVE (Romantic Dr. Teacher Kim 2 OST) / Baekhyun' (Cover) https://youtu.be/-9XUY_So9mY
Hongseok - HONG Seasons #01 'To Die For / Sam Smith'
https://www.youtube.com/watch?v=O_CH8h2BjX8