Do Kyung-soo who is instantly recognizable by his professional alias, D.O. is a well-known South Korean ‘K-pop’ and ‘R&B’ singer and actor. He gained nationwide popularity and fame when he was officially inducted into ‘EXO’, a Seoul-based Korean-Chinese all-boy band. He gradually entrenched his position by becoming one of the lead vocalists of this K-pop music group. Besides making his mark as a singer, Kyung-soo has also made his presence felt on the small screen and silver screen by appearing in numerous films and TV serials. D.O. displayed a passion for singing while he was a still a child, performing in his primary school’s singing meets. He also participated in local and regional singing competitions all through his academic career. At the age of seventeen, D.O. took part in a neighborhood singing fest where he emerged as the winner following which he was suggested to appear in an audition organized by S.M. Entertainment. His auditioning at S.M. Entertainment where he performed two songs was immensely successful, and afterwards he joined the South Korean entertainment enterprise as a trainee. After passing out of high school and completing his internship at S.M. Entertainment, D.O. auditioned effectively to become a vocalist of EXO.