AOA's Choa and rapper Iron participate in featuring of Primary's new song 'Don't Be Shy'.
On July 22nd Primary's agency, Amoeba Culture unveiled the tracklist of the new album '2-3' through their official twitter.
The tracklist contains track 1, 'Mileage' featuring Paloalto and MAMAMOO's Hwasa, track 2 'Don't Be Shy' featuring AOA's Choa and Iron.
Meanwhile, Primary's new album '2-3' will be released on July 24th at 12PM KST through the various music sites. In this album Primary sets out a new approach to building an unusual line-up.