[5] On September 27, 2011 he released his debut solo mini album, Turn Me On with "Yesterday" as its title track.

[6] It also features rap by fellow member Heo Young-saeng in dance track "My Love", and Yang Jiwon of Spica in Yesterday music video.

[8] On July 18, Kim released a limited edition mini-album Meet Me Again dedicated to his fans before his enlistment.

[9] It features three tracks including "Thank You" composed by Kim, himself and "One Luv", a duet with Mighty Mouth's Shorry J, composed by Tae Wan Kim aka C-Luv.

[10] The following is an incomplete list of Kim Kyu-jong's concerts, major fanmeetings, and tours.