The Seoul Music Awards (Hangul: 서울가요대상; RR: Seoul Gayo Daesang) is an awards show founded in 1990 that is presented annually by Sports Seoul for outstanding achievements in the music industry in South Korea.
The winners are selected from singers who have released albums during the year, combined with 30 percent mobile votes, 40 percent digital downloads and album sales, and 30 percent judges' scores.
NCT 127 performed Simon Says and Regular
and here some member photos at 28th SMA from @nct - twitter