Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
What's Happening? is the fourth mini-album recorded by the South Korean boy band B1A4, which was released by WM Entertainment on May 6, 2013. The track "What's Happening?" (also known as "What's Going On?") was used as the lead single of the album. The song "What's Happening(이게 무슨 일이야) took the first rank on the ground wave in Korea, May, 2013. What's Happening is one of the songs included on the setlist of the controversial Kuala Lumpur fanmeeting in January 2015.