BOBBI HUMPHREY - baby don't you know (1982) [7'inch]

AFRIKA - don't waste your time (1982) [7'inch uk]

THE VELVET TOUCH - don't let me down (1982) [7'inch]

ROCKET - i wanna know (1982) [12'inch]

LANIER & CO - i don't know (1987) [12'inch]

Smurf - Don't know, Don't know, 스머프 - 몰라 몰라, MBC Top Music 19970104

I don't know, I just... don't know.

“People don't know the half of it. But they don't need to know either.”

Moon Ji-eun - Don't know Don't know, 문지은 - 몰라 몰라, Music Core 20080712

Richard Yap - Don't Know What To Do, Don't Know What To Say (Audio)

[예능연구소 직캠] 블랙핑크 Don't Know What To Do @쇼!음악중심_20190406 Don't Know What To Do BLACKPINK in 4K

Moon Ji-eun - Don't know Don't know, 문지은 - 몰라 몰라, Music Core 20080830

Seong Hyun-joo - Don't know why, 성현주 - Don't know why, MBC Star Audition 3 20130125

[HOT] CHUNG HA - Why Don’t You Know, 청하 - Why Don’t You Know Show Music core 20170624

[HOT] CHUNG HA(feat. TAEYONG) - Why Don’t You Know, 청하 - Why Don’t You Know Show Music core 20170708

Jung Joon-young&Won Joon-Don't Know Man,정준영 & 원준 (소년공화국)-Don't Know Man[정준영의 심심타파] 20150922

Open d'Australie 2023 - Caroline Garcia : "I don't want to know the draw, I don't know my draw.... maybe my first round !

[HOT] CHUNG HA - Why Don’t You Know, 청하 - Why Don’t You Know Show Music core 20170617

“People fail to get along because they fear each other;.. they fear each other because they don’t know each other; they don’t know each other because they have not communicated with each other.” Martin Luther King Jr. Quotes

Is this what giving up feels like? I don't know, I don't know

Smurf - Don't know, Don't know, 스머프 - 몰라 몰라, MBC Top Music 19970125