It was revealed that upcoming 4-member girl group MAMAMOO signed under WA Entertainment would be releasing some special projects along the way before making their official debut.

SEE ALSO: Rookie actor Lee Seo Han apologizes for posting footage of suspected sexual activity filmed in Bang Ye Dam's studio

They already released an impressive song "Don't Be Happy" featuring Bumkey and now, they have released the MV teaser for their song "Some Guy Some Girl," which they sing with K.Will and features Wheesung--two powerful vocals. �The girls also have their own impressive skills that work well with these two men. �In addition, VIXX will be in the MV--in the teaser, you can see members N and Hongbin!

The full song will be out later today so check back in at allkpop.