Ribs (рёбра, translit. ryobra), also known as music on ribs (Музыка на рёбрах), jazz on bones (Джаз на костях), bones, bone music or roentgenizdat (рентгениздат, .mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}lit. X-ray publishing), are improvised gramophone recordings made from X-ray films. Mostly made through the 1950s and 1960s, ribs were a black market method of smuggling in and distributing music that was banned from broadcast in the Soviet Union. Banned artists Med...