Former Lovelyz member Lee Mi Joo sang her first ever solo drama OST since debut for the ongoing SBS Mon-Tues series, 'Cheer Up'!

Titled "Ringing", Lee Mi Joo's OST Part.3 for the SBS drama series delivers a refreshing, upbeat tune to match the high, youthful energy of the characters of 'Cheer Up', members of a university cheer squad. Through the OST MV above, viewers can relive the thrill and excitement of the new members of the Yeonhee University cheer squad as they begin their journey as a team. 

Starring Han Ji Hyun, Bae In Hyuk, and more, SBS's 'Cheer Up' airs every Mondays and Tuesdays at 10 PM KST!