Mnet previously announced that "Superstar K3" winner Ulala Session and runner-up Busker Busker will be making their official debut sometime between March and April. The two groups are currently undergoing vocal training, instrument lessons and foreign language studies with the help of famous composers, musicians and directors in order to prepare for their upcoming debut.

After having their first live performance on Mnet's M! Countdown, it has been announced that Busker Busker is set to make their official debut into the music industry with the release of their first album on March 29th.

The trio of Beom Jun, Hyung Tae, and Brad have are known to have written, composed and played all their music. CJ E&M revealed, "Listeners will be able to feel a color that only comes from Busker Busker."