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Mamamoo is a South Korean girl group formed by Rainbow Bridge World in 2014. The group officially debuted on June 19, 2014 with the song "Mr. Ambiguous". Their debut was considered by some critics as one of the best K-pop debuts of 2014. They are recognized for their retro, jazz, and R&B concepts and strong vocal performances but also have everyone shook with their songwriting + producing + choreographing skills.
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