Ribs (рёбра, translit. ryobra), also known as music on ribs (Музыка на рёбрах), jazz on bones (Джаз на костях), bones or bone music (roentgenizdat) 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 by foreign and emigre musicians that was banned from broadcast in the Soviet Union, such as Pyotr Leshchenko or Alexander Vertinsky, or Western artists such as Elvis, the Beat Real ...