Marina Abramovic is a New York based performance artist. When Abramovic and Laysiepen began their cooperation, the main theories they investigated were the ego and artistic identity. Abramovic presented Seven Simple Pieces at Guggenheim Museum, New York City in 2005, in which performed on seven consecutive nights for seven hours she recreated the works of five artists showcased in the 60s and 70s. The Museum of Contemporary Art held a leading retrospective and performance diversion of Abramovic’s work, the largest display of performance art in MoMA’s history in March 14 to May 31, 2010. During the complete run of the exhibit, she performed The Artist is Present, a 736-hour and 30-minute inactive, silent piece, in which she sat immobile in the museum’s atrium while spectators were invited to take turns sitting opposite her. In 2013, Abramovic is working with pop singer Lady Gagaon the singer’s third record, Art pop. Gaga’s work with Abramovic will be shown at an event titled “art Rave” on November 10. Marina Abramovic was born on November 30, 1946 in Belgrade, Serbia. She studied in the Academy of Fine Arts in Belgrade from 1965–70. She completed her post-graduate studies at the Academy of Fine Art sin Zagreb, SR Croatia in 1972. From 1973 to 1975, she taught in the Academy of Fine Arts at Novi Sad, while executing her first solo performances.