"HARDCORE" You Are My HEART [Credit] Produced by 돕덕 Arranged by 돕덕, WONJUN Lyrics by 돕덕 Drum by 돕덕 Bass by 돕덕 Synthesizer by 돕덕 Guitar by WONJUN Photo by 진원 3D typography 장준영 Artwork by DopeDoug Mixed by Cloudy Beats, DopeDoug Mastered by 성지훈 @JFS Mastering