‘oftn’ christmas single album [Bundle Up] happy christmas [Credits] Produced by oftn 01. Bundle Up Composed by oftn, Sonny Zero Arranged by SIM2 Lyrics by Sonny Zero Guitar by 장_난 Keyboard by SIM2 Bass by SIM2 Midi Programming by SIM2 02. white christmas Composed by oftn, Sonny Zero Arranged by SIM2 Lyrics by Sonny Zero Guitar by 장_난 Keyboard by SIM2 Bass by SIM2 Midi Programming by SIM2 Mixed & Mastered by 황동찬 @Restonmemory