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B1A4 | |
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 B1A4 in January 2024 L–R: Gongchan, Sandeul, and CNU | |
| Background information | |
| Origin | Seoul, South Korea |
| Genres | K-pop |
| Years active | 2011–present |
| Labels |
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| Members | |
| Past members | |
| Website | b1a4 |
B1A4 (Korean: 비원에이포) is a South Korean boy band formed by WM Entertainment. The group debuted on April 23, 2011, with the single "O.K" from the EP Let's Fly, after being introduced to the public through a webtoon. They have released nine studio albums (four Korean and five Japanese) and seven EPs, as well as four compilation albums. The group had considerable commercial and critical success in both the Korean and Japanese markets. They have also toured in the United States.[2]
- ^ "B1A4ユニバーサルJへ移籍が決定 (B1A4 moves into Universal J)". B1A4 Universal Music Japan Page. Universal Music LLC, Japan. October 28, 2016. Archived from the original on April 29, 2021. Retrieved October 31, 2016.
- ^ "WM Entertainment". wment.co.kr. Archived from the original on April 29, 2021. Retrieved April 9, 2018.