It's been revealed that AOA have worked with hitmaker Brave Brothers for their comeback!

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The girls will be returning with two title tracks and their first ever full-length album 'Angels Knock' on January 2, 2017, and it looks like they're making sure that fans will love it. According to reports, Brave Brothers tried out a new style for this comeback, and he produced one of AOA's upcoming title tracks, "Excuse Me" and "Bing Bing".

The producer previously composed "Miniskirt", "Short Hair", "Like a Cat", and "Heart Attack" for AOA, leading to a lot of curiosity about what he brought to the girl group's comeback.

Stay tuned!