The collaboration between Ailee and Henry Lau for their cover of Adele’s "Rolling in the Deep" is a masterclass in musical synergy, blending high-energy performance with stripped-back, innovative instrumentation. Originally performed during an episode of Henry's YouTube show, , the duet has since become a fan-favorite for its unique acoustic arrangement. Performance Highlights

: Ailee, often dubbed the "Korean Adele," takes the lead with her signature powerful belting. Critics and fans have noted her ability to maintain intense vocal tension while appearing remarkably relaxed, hitting "stadium-sized" notes with ease.

: While Ailee provides the powerhouse lead, Henry adds a "soulful" layer with raspy, high-register harmonies that complement her clear tone.