Nguyễn Thái Nguyên Khang, born in 2000, also known as NK, is a young Vietnamese singer, rapper, composer and writer. His debut single was "Em Như Thiên Thần", which is a turn of NK's career in 2023. Since that time, he is always an impressive artist on Spotify. In June, 2023, NK was listed as the top 20 of The Talents Gala Nhạc Việt with the viral song "Thật Lòng Muốn Bên Em" that has over 1,2 millions views on TikTok. NK is also a talent of BallballB Entertainment - a company created by his younger brother: BallballB. Later, NK joined Arrow Island - a Vietnamese crew which has 10 members: FSRio, 2Hoang, Soul, Dr.A, BABY $MOKE, LGKH, Jewey, YunShay, NK and Young N.