In some cities, illegal after hours clubs stay open and serve alcohol after the legal closing time.

Richard Marx & Matt Scannell at the Glass Cactus Nightclub in Grapevine, Texas on 08/14/09. … Richard Marx Matt Scannell Duo show concert Glass Cactus Grapevine Texas Best Ever Had The first electronic instrument is often viewed to be the Theremin, invented by Professor Leon Theremin circa 1919–1920.