Singer Sung Si-kyung announced that he will take a break from his 14-year-old representative performance 'Congratulatory Song' this year.On the 6th, Sung Si-kyung 'Sung Si-kyung started in 2012'Sung Si-kyung's congratulatory song', and I'm going to take a break for the first time in 14 years," he said, announcing the suspension of the performance."It was also a decision that required quite a lot of courage for me to take a break from a performance that was overwhelmingly happy every time I did it."As