Gaga began to play the piano at the age of four when her mother insisted she become "a cultured young woman", taking lessons and practicing the instrument throughout her childhood. The lessons taught her to create music by ear, which she preferred over reading sheet music and practiced professionally. The singer's parents encouraged her to pursue music, and enrolled her in Creative Arts Camp. As a teenager, she played at open mic nights. At her high school, Gaga played the lead roles of Adelaide in Guys and Dolls and Philia in A Funny Thing Happened on the Way to the Forum. She also studied method acting at the Lee Strasberg Theatre and Film Institute for ten years. Gaga unsuccessfully auditioned for New York shows, though appeared in a small role as a high school student in a 2001 episode of The Sopranos titled "The Telltale Moozadell". In 2003, at age 17, Gaga gained early admission to Collaborative Arts Project 21 (CAP21)—a music school at New York University (NYU)'s Tisch School of the Arts—and lived in a NYU dorm. At NYU, she studied music and improved her songwriting skills by writing essays on art, religion, social issues, and politics, including a thesis on pop artists Spencer Tunick and Damien Hirst. During her second semester of her sophomore year in 2005, she withdrew to focus on her music career. The same year, she played an unsuspecting diner customer for MTV's Boiling Points, a prank reality television show.
During this time, she met performance artist Lady Starlight , who helped mold her onstage persona.  Like SGBand, the pair soon began performing at many of the downtown club venues like the Mercury Lounge , The Bitter End , and the Rockwood Music Hall . Their live performance art piece was known as "Lady Gaga and the Starlight Revue" and, billed as "The Ultimate Pop Burlesque Rockshow", was a low-fi tribute to 1970s variety acts.   Their performance at the 2007 Lollapalooza music festival  was critically acclaimed. 
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