A Pink - I Don't Know, - , Music Core 20110507

A Pink - I don't know, 에이핑크 - 몰라요, Music Core 20110507

110507 A Pink - I Don't Know, LIVE @ Music Core

A Pink - I don't know, 에이핑크 - 몰라요, Music Core 20110430

A Pink - I don't know, 에이핑크 - 몰라요, Music Core 20110521

【TVPP】Apink - I Don't Know, 에이핑크 - 몰라요 @ Hot Debut Stage, Music Core Live

【TVPP】Apink - I Don't Know, 에이핑크 - 몰라요 @ Special Stage, Music Core Live

120107 konjiamresort FarmFest - A-PINK - I Don't Know by doodoo

A Pink - I don't know, 에이핑크 - 몰라요, Music Core 20110423

[HD] Performance 110527 A Pink - I don't know

[MCD][HD] A Pink - I don't know.

[Mubank][HD] A-pink - I don't know

[HD] Performance 110602 A Pink - I don't know

[HD] 110512 - 110513 A PINK - I Don't Know

[HD] 110508 APINK - I Don't Know