Carnegie Hall | Royal Albert Hall | National Baseball Hall of Fame and Museum | Royal Festival Hall | National Museum of Racing and Hall of Fame | Pro Football Hall of Fame | Hallmark Hall of Fame | music hall | Wigmore Hall | Radio City Music Hall | Hall & Oates | Queen Elizabeth Hall | Tammany Hall | Rock and Roll Hall of Fame | Trinity Hall, Cambridge | Seton Hall University | College Football Hall of Fame | City Hall | Suntory Hall | International Tennis Hall of Fame | Hockey Hall of Fame | Steinway Hall | Naismith Memorial Basketball Hall of Fame | Osgoode Hall Law School | Jim Hall (musician) | Dartington Hall | Avery Fisher Hall | The Kids in the Hall | Symphony Hall | Sydney Town Hall |
As a pianist, Warshaw has performed widely as both soloist and chamber player, in concert spaces such as Avery Fisher Hall, Miller Theater, the Juilliard Theater, Merkin Hall and Steinway Hall.
A year later he performed at the Isaac Stern Chamber Music Workshop and then became a chamber orchestra musician at Miller Theater, Bargemusic, Merkin Hall and both Caramoor and Ravinia Festivals.