Sung Si-kyung Unveils Surprise Global Duet With Raisa of Indonesia

A Once-in-a-Generation Duet That Breaks Borders and Language, A New Milestone for Asian Pop

The emperor of Korean ballads has teamed up with a national idol in Indonesia. South Korea’s leading vocalist “Sung Si-kyung” and Indonesia’s top star “Raisa” prove a sweeping musical unity that spans Asia’s music market.

According to the E2W Group, the two artists’ global project duet track “Heaven Knows” (HEAVEN KNOWS) will be released without delay on the 19th at 6 p.m., via major music platforms worldwide. Their explosive synergy was already foretold in the music video cover of the film “Endless Love”—a namesake OST—previously revealed on “Sung Si-kyung”’s official YouTube channel. At the time, the blazing response from fans around the world served as the pivotal spark that helped make this official global collaboration happen.

Unveiled at last, the new song “Heaven Knows” spotlights the universally shared human story of love, hope, and destiny in a three-dimensional way. The song strikes a delicate balance between K-ballad’s signature refined emotional contours and the trendy “global pop sound”. In addition, the grand orchestral arrangement further maximizes the track’s narrative depth and resonance.

The biggest standout in this project is an audacious “cross-language vocal performance” that takes a bold step beyond language barriers. “Raisa” fully handled “Korean lyrics” for the first time since her debut, proving the sincerity embedded in the song. Matching that move, “Sung Si-kyung” also delivered fluent “English lyrics” with his trademark smooth vocal tone, creating a perfect harmony that transcends borders.

The E2W Group said, “The unusual pairing of two vocalists with different cultural roots will convey the essential value of love and hope with more weight than ever.” The company also showed strong confidence about global commercial success.

Meanwhile, “Sung Si-kyung” last month completely sold out “Chukga”, his signature-brand concert held at Yonsei University’s outdoor theater, reaffirming both his “ticket power” and broad appeal.