On May 17, a source from Song Joong Ki’s management agency told Daily Sports, “Song Joong Ki is participating today in the shooting for KBS 2TV web drama ‘The Sound of Your Heart.'”
Song Joong Ki and Lee Kwang Soo became friends through their time as “Running Man” cast members and have remained close friends for over seven years. Lee Kwang Soo previously showed his support for Song Joong Ki by making a cameo in the first episode of “Descendants of the Sun.”
“The Sound of Your Heart” is based on the popular webtoon of the same name. Lee Kwang Soo will be starring opposite actress Jung So Min.