"Do Do Sol Sol La La Sol" is a South Korean television series that aired in 2020. It follows the story of a talented pianist named Gu Ra-ra, who faces challenges after a sudden change in her life. The series explores themes of love, friendship, and personal growth as she navigates her new reality. The show features a mix of romance and comedy, with Lee Jae-wook playing a key role as Sunwoo Joon, a mysterious character who helps Ra-ra rediscover her passion for music. The series received positive reviews for its heartwarming storyline and engaging performances.