Song Kang and Lee Jun Young are starring in tvN's upcoming drama 'Four Hands, Two Sonatas,' a music-themed series centered on piano and emotional connection. The drama, set to premiere with new teasers and concept photos, showcases Song Kang portraying a perfectionist pianist and the two actors sharing a close on-screen bond. Additional cast members, including Jang Gyuri, have also revealed their preparation for the project.