query: occupation isak n jiyeon
supports: A girl group is a music act featuring several female singers who generally harmonize together. The term "girl group" is also used in a narrower sense in the United States of America to denote the wave of American female pop music singing groups, many of whom were influenced by doo-wop, and which flourished in the late 1950s and early 1960s between the decline of early rock and roll and start of the British Invasion. S.M. Entertainment is a South Korean entertainment company established in 1995 by Lee Soo-man. It is currently one of the largest entertainment companies in South Korea. The company operates as a record label, talent agency, music production company, event management and concert production company, and music publishing house. Doo-wop is a genre of music that was developed in African-Americans communities of New York City, Philadelphia, Chicago, Baltimore, Newark, Pittsburgh, Cincinnati, Detroit, Washington, D.C. and Los Angeles in the 1940s, achieving mainstream popularity in the 1950s and early 1960s. Built upon vocal harmony, doo-wop was one of the most mainstream, pop-oriented R&B styles of the time. Singer Bill Kenny (19141978) is often called the "Godfather of Doo-wop" for his introducing the "top and bottom" format which featured a high tenor singing the lead and a bass singer reciting the lyrics in the middle of the song. Doo-wop features vocal group harmony, nonsense syllables, a simple beat, sometimes little or no instrumentation, and simple music and lyrics. SM Town (stylized as SMTOWN) is the umbrella name for the recording artists under South Korean entertainment company S.M. Entertainment. Isak N Jiyeon (  N  ) was a Korean female duo formed by SM Entertainment in 2002 that has since been disbanded . Jiyeon was involved in SM 's project named The Grace , a four - member Korean girl group that sings , dances and acts . Isak was featured in the SM Town albums and videos and continued to do a variety of work , such as being DJ and VJ for Arirang TV , MC work for various networks , and taking on small acting roles on network television . The British Invasion was a phenomenon that occurred in the mid-1960s when rock and pop music acts from the United Kingdom, as well as other aspects of British culture, became popular in the United States, and significant to the rising "counterculture" on both sides of the Atlantic. Pop and rock groups such as the Beatles, the Dave Clark Five, the Kinks, the Rolling Stones, Herman's Hermits, and the Animals were at the forefront of the invasion.
candidates: entertainment music production r singer talent united kingdom united states of america
answer: singer