Earlier, photos of Chen, Baekhyun, and Xiumin exposed the fun, colorful concept of EXO-CBX's upcoming debut. In addition to a new group cut of the three sprawled on a sofa, SM Entertainment revealed that EXO-CBX will be sharing about their debut track, "Hey! Mama", via the Naver V app on October 30. 

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It's now D-5 til EXO-CBX's debut! Are you ready for the Chen, Baekhyun, and Xiumin trio?