두솜 (dusom) [Winter] Happy Christmas [Credit] Composed by 두솜 Lyrics by 두솜 Arranged by 두솜 Vocal by 지유 Drum by 두솜 Bass by 김흥주 Synth bass by 두솜 Keyboards by 두솜 Synthesizer by 두솜 String by 두솜 Vocal recorded by 조유상 @Whaledone Labs Mixed by Whaledone Mastered by Whaledone Art directing by 두솜 Artwork by 두솜, 삐삐맘, dagi