News - Nintendo World Report
Wii U (Platform) - Giant Bomb
Wii Karaoke U Doesn't Censor Explicit Lyrics
News - Nintendo World Report
Have a Look at Wii Karaoke U by JOYSOUND
Wii U - Hardware - Nintendo World Report
Karaoke Joysound for Wii U: Software updates (latest: Ver 4.0.0) - Perfectly Nintendo
News - Nintendo World Report
News - November, 2013
Karaoke Joysound - Game - Nintendo World Report
Nintendo-JoySound Wii Karaoke U brings sing-a-longs to Japanese consoles - Polygon
Karaoke Joysound - Game - Nintendo World Report
Wii Karaoke U app launching this year in Europe - Polygon