Assertion: rib | /r/HasProperty | made through 1950
Facets:
value: mostly
type: DEGREE
Source sentences:
text: Mostly made through the 1950s and 1960s, ribs were a black market method of smuggling in and distributing prohibited music by foreign and emigre musicians banned from broadcast in the Soviet Union, such as Pjotr Leschenko or Alexander Vertinsky, or Western artists such as Elvis, the Beatles, the Rolling Stones, the Beach Boys, Ella Fitzgerald and Chubby Checker.