Hip-hop duo Mighty Mouth recently revealed a glimpse of their new song on Family Outing. On the October 18th episode of the show, one of the tracks played in the background was a surprise song that Mighty Mouth will release soon. On the Family Outing site, netizens have been posting questions to make sure the song is indeed from Mighty Mouth, as they recognized the voice of Sangchu. A representative from their agency had said that it is a new song of Mighty Mouth that will be out soon. Just like with all of their songs, they will feature a female singer. The agency has not revealed who this singer is yet, but netizens are speculating that it is Ha Ji Won since she was the guest on the episode. Check out 2:55 of the video below. But in the teaser video released on the 19th, it was revealed to be Insooni. Mighty Mouth's new song will drop on the 22nd.