MAMAMOO's Whee In and Hwa Sa got in the studio for veteran singer and producer Kim Hyun Chul's upcoming title track.

fe_entertainment released the teaser video of the two MAMAMOO members below. They'll be singing the title track "I'm in Love with One Person" from Kim Hyun CHul's upcoming album '10th - Preview'. "I'm in Love with One Person" is a traditional Korean ballad that fans haven't seen from Whee In or Hwa Sa yet.

Check out the preview below.