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B1A4 - 이게 무슨 일이야 (What's Happening?) 19,895,501 views DOWNLOAD MP3
B1A4_이게 무슨 일이야 (What's Going On by B1A4@Mcountdown 2013.5.9) 4,094,922 views DOWNLOAD MP3
B1A4 - Solo Day+What's Happening?+Baby Good Night (Sketchbook) | KBS WORLD TV 201030 100,963 views DOWNLOAD MP3
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[Simply K-Pop] B1A4(비원에이포) _ What's Going On?(이게 무슨 일이야) _ Ep.305 _ 033018 210,031 views DOWNLOAD MP3
B1A4 - '이게 무슨 일이야' 안무 영상 ('What's Happening?' Dance Practice Video) 3,401,532 views DOWNLOAD MP3
B1A4 - What's Happening? (2013.06.15) [Music Bank w/ Eng Lyrics] 172,740 views DOWNLOAD MP3
B1A4_이게 무슨 일이야 (What's Going On by B1A4@M COUNTDOWN 2013.5.16) 272,736 views DOWNLOAD MP3
B1A4 - 이게 무슨 일이야 (What's Going On) 258,996 views DOWNLOAD MP3
B1A4 - Solo Day+What's Happening?+Baby Good Night (Sketchbook) | KBS WORLD TV 201030 1,985 views DOWNLOAD MP3
B1A4 - What's Happening? (2013.06.22) [Music Bank w/ Eng Lyrics] 24,641 views DOWNLOAD MP3