TvN’s weekend show “Memories of the Alhambra” will feature a duet by rapper Loco and singer U Sung-eun as its first original soundtrack.

The song, titled “Star (Little Prince),” will be unveiled at 6 p.m. Saturday, the broadcaster said.

“Memories of Alhambra” airs 9 p.m. every weekend. Hyun Bin and Park Shin-hye star as the male and female leads. The story centers on an augmented reality game, which is a first for a South Korean TV series.