The YRC made 16 tours to the USSR before the union dissolved in 1991 .
The YRC was the first American group to visit the Soviet Union as a private initiative , touring the country in 1958 following the signing of the Lacy - Zarubin Agreement on cultural exchange .
The YRC made 16 tours to the Soviet Union before the union dissolved in 1991 .
The YRC was the first American group to visit the Soviet Union as a private initiative , touring the country in 1958 following the signing of the Lacy - Zarubin Agreement on cultural exchange .