Hardcore punk acts, such as Aus Rotten and Anti-Flag, originated in Pittsburgh. Pittsburgh has also seen many metal bands gain prominence in recent years, most notably Code Orange, who were nominated for a Grammy. Pittsburgh has emerged as a leading city in the United States' heavy metal music scene. Ranking as the third 'most metal city' in a study conducted by MetalSucks, Pittsburgh has earned a reputation for its heavy metal community. Pittsburgh is home to over six-hundred heavy metal bands, as well as heavy metal coffee shops and bars. The city is noted for its doom metal, metalcore, and death metal scenes. Throughout the 1990s there was an electronic music subculture in Pittsburgh which likely traced its origins to similar Internet chatroom-based movements in Detroit, Cleveland, Minneapolis, and across the United States. Pittsburgh promoters and DJs organized raves in warehouses, ice rinks, barns, and fields which eventually attracted thousands of attendees, some of whom were high school students or even younger. As the events grew more popular, they drew internationally known DJs such as Adam Beyer and Richie Hawtin. Pittsburgh rave culture itself spawned at least one well-known artist, the drum and bass DJ Dieselboy, who attended the University of Pittsburgh between 1990 and 1995. Since 2012, Pittsburgh has been the home of Hot Mass, an afterhours electronic music dance party which critics have compared favorably to European nightclubs and parties. Electronic music artist and DJ Yaeji credits Hot Mass with her "indoctrination into nightlife"; she regularly attended the party while studying at Carnegie Mellon University. Theatre The city's first play was produced at the old courthouse in 1803 and the first theater built in 1812. Collegiate companies include the University of Pittsburgh's Repertory Theatre and Kuntu Repertory Theatre, Point Park University's resident companies at its Pittsburgh Playhouse, and Carnegie Mellon University's School of Drama productions and Scotch'n'Soda organization. The Duquesne University Red Masquers, founded in 1912, are the oldest, continuously producing theater company in Pennsylvania. The city's longest-running theater show, Friday Nite Improvs, is an improv jam that has been performed in the Cathedral of Learning and other locations for 20 years. The Pittsburgh New Works Festival utilizes local theater companies to stage productions of original one-act plays by playwrights from all parts of the country. Similarly, Future Ten showcases new ten-minute plays. Saint Vincent Summer Theatre, Off the Wall Productions, Mountain Playhouse, The Theatre Factory, and Stage