반말송 (Live)
郑容和, 徐玄
DJ Got Us Falling In Love Again (Live)
太妍, Tiffany Young, 徐玄, CHANYEOL, 도경수 (D.O.), 鹿晗, SEHUN
strawberry moon + For You + LOVE + Santa Baby (LIVE)
徐玄
Mabinogi
Jessica, Tiffany Young, 徐玄
사랑이 뭔데
徐玄振, 刘承宇
친구여
徐玄
아파도 괜찮아요
徐玄
Don't Say No
徐玄, 尹健
Milky Way
徐玄
기다릴게요
徐玄
Jack (Live)
徐玄
T플커플
圭贤, 徐玄
Magic
徐玄
Have Yourself A Merry Little Christmas (Live)
Jessica, 徐玄, 佳仁, 宋枝恩
오빠 나빠
Jessica, Tiffany Young, 徐玄
Don't Say No
徐玄
Speak Now (Live)
徐玄
Hey Jude (Live)
BAEKHYUN, 徐玄, 한아름
오빠나빠
Jessica, Tiffany Young, 徐玄
Magic Castle (Live)
太妍, 徐玄, Jessica, Tiffany Young
다시 만난 세계(电台live)
太妍, Jessica, Tiffany Young, 徐玄
Secret
俞利, 徐玄
Mama Do
太妍, Tiffany Young, 徐玄
Because You Loved Me (live)
太妍, 徐玄
Dreams Come True
徐玄, 东海
Stress
徐玄
기다릴게요
徐玄
单恋 (Lonely Love)
徐玄
月光 (Moonlight)
徐玄
Hello (Feat. Eric Nam)
徐玄, Eric Nam
JOURNEY (Feat. 徐玄 from 少女时代)
东方神起, 徐玄
Winter Wonderland (Live)
俞利, 徐玄
Sixteen Going On Seventeen
徐玄
Bad Love
徐玄
Love & Affection
徐玄
Dreams Come True (Inst.)
徐玄, 东海
기다릴게요 (inst.)
徐玄
라벨: 모음곡“거울”제4곡“어릿광대의 아침노래”
徐玄
Secret (Inst.)
俞利, 徐玄
Don't Say No (inst.)
徐玄, 尹健
친구여 (Inst.)
徐玄
Milky Way (Inst.)
徐玄
아파도 괜찮아요 (inst.)
徐玄
Milky Way
徐玄
낙화 (다정이 Ver.)
徐玄振
UP & DOWN
徐玄振, Risso
Up & Down
徐玄振
눈의 이야기 (Winter of Memories)
徐玄振
Give Me A Little Try
徐玄振
정읍사
徐玄振, 김나니
사랑이 뭔데
徐玄振, 刘承宇
사랑이 뭔데 (Inst.)
徐玄振, 刘承宇
Raindrops
徐玄振
진
徐玄振
정읍사 (With 김나니 (판소리)) (Inst.)
徐玄振
낙화 (다정이 Ver.)
徐玄振