B1A4 - What's Happening [Karaoke+Thaisub]

[HD][Thaisub+Karaoke]B1A4-What's going on

[ENG SUB] B1A4 - What's Going On? - What's Happening? (English subbed)

(sub ita) B1A4 - What's Happening / What's Going On

B1A4 - What's Happening (Sub español + karaoke)

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B1A4 - What's going on (Czech subs.)

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B1A4 - What's going on (eng sub+rom+han) [HD]

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B1A4 이게 무슨 일이야 쇼챔피언 62회 / What's going on? / ビーワンエーフォー イゲムスンイリヤ(なんで？どうして？)

【TVPP】B1A4 - What's Going on?, 비원에이포 - 이게 무슨 일이야 @ Comeback Stage, Show Music core Live

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