B1A4

B1A4 is active as of 2026-11-15.

B1A4 is a boy group that debuted on April 23, 2011, with "O.K." The group is currently active as a trio made up of CNU, Sandeul, and Gongchan. B1A4 is known for bright, warm music and for songs that the members themselves have helped create.

B1A4 debuted on April 23, 2011, and its debut song is "O.K." The upbeat track marked the beginning of the group's career. If you have just discovered B1A4, starting with the debut song and following how the group's music has changed over time is a rewarding way to listen.

As of November 2026, B1A4's members are CNU, Sandeul, and Gongchan, making the group a trio. The three continue to release music and perform together as B1A4. News about each member's individual activities can be found through the group's official channels and the members' own official announcements.

B1A4 is introduced as short for "Be the One, All for One," expressing the idea of becoming one and working for everyone. Another explanation says the name also reflects the members' blood types at the time of debut. In Korean it is read "Bi-won-e-i-po."

B1A4's agency is B1A4 Company, also known by the name HieutPieup. Official information about the group's current activities is released through this company's official channels. For news about album releases or performances, checking those official announcements is the most accurate way to stay informed.

B1A4's fandom is called BANA. It is a much-loved name for the fans who stay with B1A4 through every release. For the precise origin of the name and news about the official fan club, it is best to check announcements on the group's official channels.

B1A4's widely known songs include "Good Night," "Baby I'm Sorry," "What's Happening?", and "Tried to Walk." The group has been loved for everything from cute, upbeat songs to more lyrical, emotional tracks. If you are new, starting with these songs is a good way in.

Alongside group activities, B1A4's members have taken on a variety of individual work, including solo albums, musicals, and broadcasts. Sandeul, for example, is known to have released music as a solo singer. For each member's latest activities, checking official announcements is the most accurate approach.

For beginners, starting with the group's most widely known songs works well. After hearing the tracks people mention most, going back to the debut song "O.K" shows where the group began. Then listening through to the most recent albums lets you naturally enjoy the music B1A4 makes today as a trio.

B1A4's music is available on Korean streaming services, and when a new album comes out you can also see the group on music shows. For concert or fan meeting schedules, check official announcements from B1A4 Company. Joining the official fan club is a good way to receive related news more quickly.