William Copley (artist) occurring in America when he returned to New York in the 1960s. Artists like Andy Warhol, Christo, Roy Lichtenstein and many others were frequent visitors at Copley's studio on Lower Broadway. Copley believed that pop art had always interested him, claiming American pop art had much to do with "self-disgust" and "satire." In 1967, after a divorce with his second wife, Noma, Copley and new friend Dmitri Petrov decided to publish portfolios of 20th-century artist collaborations with the abbreviation SMS (for "Shit Must Stop"). Copley's Upper West Side loft became a meeting place for performers, artists, curators, and composers to
K-pop as part of his Rain's Coming World Tour. In 2009, the Wonder Girls became the first K-pop artist to debut on the Billboard Hot 100 singles chart. They went on to join the Jonas Brothers on the Jonas Brothers World Tour 2009. In 2010, they toured 20 cities in the United States, Canada and Mexico, and were named House of Blues "Artist of the Month" for June. In 2010, S.M. Entertainment held the SMTown Live '10 World Tour with dates in Los Angeles, Paris, Tokyo, and New York. The same year, during the 8th Annual Korean Music Festival, K-pop artists