Hello is the debut extended play by South Korean girl group Mamamoo. It was released by WA Entertainment on June 18, 2014 and distributed by CJ E&M Music. It contains seven songs, including the single "Mr. Ambiguous", which was used to promote the album. The album was preceded by three additional singles—collaborations with Bumkey, K.Will and Wheesung, and Geeks. The album is a mix of musical styles, including R&B, hip hop, and funk.

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