Singers Kwon Jin Ah and Lim Yoon Sung will participate in the fourth OST of the JTBC drama 'Waiting for Kyungdo.' This OST will be released on January 4 at 6 PM. Kwon Jin Ah's song 'My Universe' is a folk rock genre characterized by an emotional melody and lyrics featuring acoustic guitar. Kwon Jin Ah's unique vocal tone adds a simple and warm sentiment to the song, enhancing its immersive quality. 'My Universe' compares a loved one to the 'universe,' and the hitmaker producer team AIMING has taken charge of the production, elevating the song's completeness.

Lim Yoon Sung's song 'Don't Step on my Heart' is a rock ballad featuring a vintage band sound. The songwriting, composing, and producing of this song involved composer Kim Gi Rim and SNNNY. Lim Yoon Sung, who is the vocalist of the runner-up team Cinema from JTBC's 'Superband 2,' has a rough yet delicate voice that blends well with the intense band sound, creating a poignant atmosphere.

Kwon Jin Ah and Lim Yoon Sung each deliver songs with different colors, enriching the narrative of the drama. Both songs play a role in maximizing the emotional line and story of the characters in the plot. 'Waiting for Kyungdo' is a romance drama about Lee Kyungdo (played by Park Seo Joon) and Seo Ji Woo (played by Won Ji An), who, after two relationships and breakups, reunite as the reporter who reported an affair scandal and the wife of the scandal's protagonist, leading to a bittersweet and intense romance. The drama airs on JTBC every Saturday at 10:40 PM and Sunday at 10:30 PM.

The fourth OST of 'Waiting for Kyungdo' will be available on various online music platforms starting from January 4 at 6 PM. With the participation of Kwon Jin Ah and Lim Yoon Sung, the emotional lines are expected to be further enriched, enhancing the drama's appeal.