On September 15 episode of SBS' television show 'Running Man', the cast members of the show were seen at their ninth annual fan meeting 'Running Nine'.
In order to make the day more memorable to fans, Kim Jong-kook prepared a special performance for them: 'Speechless'.

Not many men covered the song, however, because the note was too high for them.
It not only started off high, but it hit unbelievably high notes as the song moved towards the end.

In fact, he was so flawless in every way that he made the audience completely speechless.
At the end of his performance, everyone gave the singer a huge round of applause.
(Credit= SBS Running Man)
(SBS Star)