0do [웃어줄게] 잘하고 있어 [Credit] 1.웃어줄게 (feat. leebaek) Composed by 0do, leebaek Lyrics by 0do, leebaek Arranged by 0do, b3n EP : 0do Piano : 0do Drum : b3n Synth : 0do String : 0do Bass : 이은서 Percussion : b3n Chorus : 0do, leebeak Mixed by leebaek @leeebaek Mastered by leebaek @leeebaek