 Since 2005, he has appeared on a number of variety shows, including hosting MBC's "Music Core" in 2006 and becoming a host for SBS' "Green Gold" in 2009.In August 2009, Fly to the Sky decided to work on separate projects and have become solo singers under different labels.On April 14, 2014, Brian Joo announced on his Twitter that Fly to the Sky will be making their comeback in May.