 In an interview published in the July 2018 issue of Beauty10 magazine, Brian revealed that Fly to the Sky would release an album during the 4th quarter of the year to celebrate the group's 19th anniversary.In 2012, Joo performed as a principal cast member representing the Korean culture in Loving the Silent Tears, a Broadway-style, at the Shrine Auditorium in Los Angeles, California, to commemorate the 19th Anniversary of Supreme Master Ching Hai Day.The musical, based on Ching Hai's poetry collection, Silent Tears.