Just over a year after disbandment, 9muses members Moon Hyuna and Pyo Hyemi released the official audio of their duet 'Walking.' Although there is not a music video yet, the two girls released more pictures and a video teaser to promote the song. The track is described as having an easy-going vibe that it perfect to listen to while walking in the summer.

You can also check out the official teaser pictures below to get a sense of the song's concept.