Kim Bum Soo's fandom vs. KCM's fandom, Lung Capacity Game (Part 1)

"An Old Love Story" by KCM, Kim Bum Soo didn't show his face when he debut, Kim Bum Soo's voice technique changed a lot

KCM is a perfect target for Lee Jin Ho, Kim Bum Soo & KCM's title, KCM new album

(PREVIEW) KNOWING BROS EP 424 - Kim Bum Soo, KCM

"Promise" by Kim Bum Soo, Kim Bum Soo's celebrity ego has been cured, Kim Bum Soo didn't regret appeared topless in his music video

KCM's hot spring incident, The Bros couldn't stop teasing Kim Bum Soo, Kim Bum Soo's new album

[HOT] Kim Bum-soo's Voice, 놀면 뭐하니? 210410

[HOT] Yoo Jae-seok and Defconn, disappointed by Kim Bum-soo's appearance?, 놀면 뭐하니? 20201226

[HOT] Kim Bum-soo's impersonation of Greg, 놀면 뭐하니? 20201226

[HOT] Kim Bum-soo's Live ♬, 놀면 뭐하니? 20201226

[HOT] One more song! Kim Bum-soo's Live ♪, 놀면 뭐하니? 20201226

Kang Ho Dong kiss Seo Jang Hoon, Kim Bum Soo's long hair, Lee Jin Ho & KCM's army story

[HOT] Kim Bum-soo's duet dance with Sunmi, 라디오스타 20210217

【TVPP】Park Myung Soo - Practice! ‘Clown’ (with Kim Bum Soo), 박명수 - 연습 시작! 광대 @ Infinite Challenge

[Preview] Knowing Brothers Episode 292 - KCM, Kim Jung Min

Knowing Bros Ep 292 ~ Kim Heechul mimicking various artists, KCM trying to be friendly to Seo Jang Hoon

Bobby Kim&Kim Bum-soo&Wheesung - Drinking, 바비킴&김범수&휘성 - 술이야, Lalala 20091203

Kim Bum-soo - Hello goodbye hello, 김범수 - 하루, Lalala 20101021

(Kim Bum Soo)(Love Begins With a Confession) [Producer OST]

1R(1) #18, Kim Bum-soo : Your perfume, 김범수 : 그대의 향기 I Am A Singer 20110508

3R(3), Kim Bum-soo - I love you, 김범수 - 사랑하오, I Am A Singer 20110703