An American hardcore punk band formed in WAshington DC in 1977 often played at a club in New York City that was the unofficial headquarters of the New York hardcore scene, and was located in what area of Manhattan?
A7 (bar): A7 was a club in New York City. A7 (bar):  From 1981 to 1984, it was the unofficial headquarters of the New York hardcore scene. Bad Brains: Bad Brains are an American hardcore punk band formed in Washington, D.C., in 1977.
i don't know