EXO Kai's audition clip back in 2007 will be released through SBS's special program 'Hard Working Idols' on the 16th.

Along with his audition clip is a practice video with his labelmate and friend Taemin. It has been revealed that they are trained together but he will revel this thoughts seeing Taemin debuting first.

The broadcast will also reveal his practice routine and how the practice room becomes his house.
TVXQ's Yunho, EXO's Kai and SHINee's Taemin are going to share their practice method on the broadcast so don't miss it.