Delrium operates as a South Korean rock and metal band featuring core members S.J_Hann and c h ! k a. The duo produces original compositions, instrumental content, and live performances, utilizing signature equipment including Dingwall Basses and ESP Guitars. Their musical catalog spans original tracks, soundtrack contributions like 'ONE DAY (회색기류 OST)', and detailed instrumental tutorials. The band maintains a dedicated YouTube presence focused on three content pillars: original music releases, lyric videos, and technical playthroughs. Their channel serves as a hub for both performance documentation and educational content, featuring gear demonstrations and instrumental breakdowns. The platform houses their complete discography alongside behind-the-scenes material showing their recording and performance processes. Delrium participates in South Korea's independent music circuit, including involvement with Emergenza Festival South Korea 2024. The band contributes to the regional rock and metal community through live performances, competition appearances, and instrumental education content. Their work represents an intersection of original composition, technical musicianship, and platform-based music distribution within South Korea's contemporary independent music landscape.