"Hey Mama" is the debut single by EXO-CBX, the first official sub-unit of the South Korean boy group EXO.
It was released on October 31, 2016, by SM Entertainment as the title track of their debut extended play Hey Mama!.
("Mama" referring to an attractive woman) is described as a mixture of funk, disco, and pop.
Its music video garnered 2 million views on YouTube within 9 hours after being released.
The first part of the music video was Chen and Xiumin working in their tiny cubicles while Baekhyun is on the roof.
It also features backup dancers where they perform the choreography of the song with the trio in some scenes.
live for the first time at the promotional event for their debut EP Hey Mama!
[4] On November 18, 2016, the group performed the song at the OGN World Championship N-Pop Showcase.