SEVENTEEN members DK (Dokyeom) and Seungkwan are proving the global strength of K-ballads, as their song ‘Blue’ climbs to the top of Spotify’s viral charts across multiple countries.

According to Spotify on January 26, ‘Blue’, the title track of their first unit mini album ‘Serenade’, ranked No. 1 on Spotify’s Daily Viral Songs chart in Japan, Malaysia, and Indonesia. The chart tracks songs experiencing rapid increases in streams and shares over a short period.
The track also posted strong results in other regions. It reached No. 3 in Hong Kong and Taiwan, No. 6 in Singapore, and No. 9 in South Korea a notable achievement for a traditional ballad in charts typically dominated by upbeat pop and dance tracks.

The success of ‘Blue’ extended beyond streaming charts. The mini album ‘Serenade’ entered the Billboard 200 at No. 195 on the January 31 chart, marking a meaningful result for a vocal focused unit release.
In Japan, the album placed No. 3 on both Oricon’s Weekly Album Ranking and Weekly Combined Album Ranking (dated January 26). In China, it topped QQ Music’s Weekly Digital Bestseller Album chart for the January 9–15 tracking period.
‘Serenade’ centers on the theme of ordinary love, featuring a total of six tracks. The title song ‘Blue’ explores the emotional distance that forms when two people’s feelings fall out of step, capturing subtle tension and lingering affection through restrained vocals and minimal arrangement.
The unit’s performance highlights DK and Seungkwan’s reputation as two of K-pop’s most respected vocalists, while reaffirming the global appeal of Korean ballads when delivered with emotional clarity and authenticity. With ‘Blue’ gaining momentum across regions, DK and Seungkwan have positioned themselves as leading voices in expanding the reach of K-ballad music on the global stage.