Mnet [엠카운트다운] Ep.389 : B1A4 - 이게 무슨 일이야(What's Happening?) + 솔로데이(solo day) @MCOUNTDOWN_140814
Mnet [엠카운트다운] Ep.389 : TOP10 of the week @M COUNTDOWN_140814
Mnet [엠카운트다운] Ep.389 : No.1 of the week, Block B - H.E.R @MCOUNTDOWN_140814
【TVPP】B1A4 - Winner Interview of What`s Going On?, 비원에이포 - 이게 무슨 일이야 수상 소감, @ Show Music core
B1A4 - 'Sweet Girl' COMEBACK Stage M COUNTDOWN 150820 EP.439
120322 B1A4 Mnet.M!Countdown.tp
B1A4 - What's Happening (2013.06.08) [Music Bank w/ Eng Lyrics]
170910 B1A4 - A Lie + What's Going On @ Mnet Super Concert
Mnet [엠카운트다운] Ep.389 : 씨엔블루(CNBLUE) - Can't Stop + LOVE @MCOUNTDOWN_140814
130516 B1A4 - What's Going On @ Mnet M! Countdown
120322 Mnet M!CountDown B1A4 Special Stage-Intuition
B1A4 비원에이포 Full Ver.(굿타이밍 + 잘자요 굿나잇 + 이게 무슨 일이야 + Rollin’ +거짓말이야),롯데팸콘@180622
[STAR ZOOM IN] Refreshness overload B1A4 'What's Happening?' 160419 EP.69
B1A4 At Kcon on stage for DFLA
B1A4_Yesterday (Yesterday by B1A4@Mcountdown 2013.5.9)
140809 - B1A4 - 이게 무슨 일이야 (What's Happening?) @ M! Countdown
Mnet [엠카운트다운] Ep.389 : 예고 M COUNTDOWN Teaser_140814
Baby Goodnight + You Are My Girl- B1A4 Road Trip Tour NYC 141003
130529 MBC Music Show Champion B1A4 - What's Going On?
Mnet [엠카운트다운] Ep.389 : 틴탑(TEENTOP) - 장난아냐(Rocking) + 긴생머리그녀(Miss Right) @MCOUNTDOWN_140814
![Mnet [엠카운트다운] Ep.389 : B1A4 - 이게 무슨 일이야(What's Happening?) + 솔로데이(solo day) @MCOUNTDOWN_140814](https://img.youtube.com/vi/YJlFRwwqQ7Y/0.jpg)
![Mnet [엠카운트다운] Ep.389 : TOP10 of the week @M COUNTDOWN_140814](https://img.youtube.com/vi/jjs0t_vQt58/0.jpg)
![Mnet [엠카운트다운] Ep.389 : No.1 of the week, Block B - H.E.R @MCOUNTDOWN_140814](https://img.youtube.com/vi/FrhGcvaLHpY/0.jpg)
![B1A4 - What's Happening (2013.06.08) [Music Bank w/ Eng Lyrics]](https://img.youtube.com/vi/9GpBgScVm0E/0.jpg)
![Mnet [엠카운트다운] Ep.389 : 씨엔블루(CNBLUE) - Can't Stop + LOVE @MCOUNTDOWN_140814](https://img.youtube.com/vi/U1I6LrMpZ98/0.jpg)
![[STAR ZOOM IN] Refreshness overload B1A4 'What's Happening?' 160419 EP.69](https://img.youtube.com/vi/CBAkXWsZhhY/0.jpg)
![Mnet [엠카운트다운] Ep.389 : 예고 M COUNTDOWN Teaser_140814](https://img.youtube.com/vi/mKJXnsQ4PZ4/0.jpg)
![Mnet [엠카운트다운] Ep.389 : 틴탑(TEENTOP) - 장난아냐(Rocking) + 긴생머리그녀(Miss Right) @MCOUNTDOWN_140814](https://img.youtube.com/vi/EVcuAHtedok/0.jpg)