케이윌 & 효린 - Whenever You Call [101212 김정은의 초콜릿]

Mariah Carey, Brian McKnight - Whenever You Call (from Around the World)

[GDA/Golden Disk Awards] K.will + Hyorin(케이윌 + 효린) - Endless love

SISTAR(SoYou & HyoLyn) - Hurt(Christina Aguilera) [Yu Huiyeol's Sketchbook]

Whenever You Call (Cover by Luxe Voir Entertainment) featuring Keke Adiba & Barsena

TAEYEON vs 5 Fake singer | Who's the REAL singer?

Hyolyn - If I'd Loved Only a Bit | 효린 - 조금만 사랑했다면 [Immortal Songs 2/2016.09.03]

[다시봐야지][무대FULL] 최강 보컬리스트 케이윌(K.will)의 환상적인 무대! ｜히든싱어5

[HIT] 불후의 명곡2, 마이클볼튼(Michael Bolton)특집-효린(Hyorin) - Missing you now.20141018

Mariah Carey - Whenever You Call (Official HD Video)

【TVPP】Hyorin(SISTAR) - Fate, 효린(씨스타) -인연 @ I Am a Singer 3

TAEYANG - '눈,코,입(EYES,NOSE,LIPS)' 0424 Fantastic Duo

[RARE] Mariah Carey - Whenever You Call (Live in Perth, Butterfly Tour - 1998) UNHEARD SOUNDBOARD

K.will, Hyo-rin - Have yourself a merry little Christmas, 케이윌, 효린

Kyla & JayR - Win, Whenever you Call

[#2024MAMA] BIGBANG - BANG BANG BANG + FANTASTIC BABY | Mnet 241123

Singing live undercover pretending to be a track (ft. Roy Kim) [BGL : Background Live] | JAYKEEOUT

효린 - I'll Never Love Again [유희열의 스케치북/You Heeyeol’s Sketchbook] | KBS 220304 방송

Ailee & duo 'I Will Go To You Like The First Snow' 《Fantastic Duo 2》 EP08

Whenever you call (LIVE) - Brian Mcknight & Regine Velasquez