Rostov is known for choral music , having produced choirs like Anastasia , Lik and Don Choristers .
Rostov Oblast is a region of Russia , which contains the city of Rostov - on - Don .
region is known for choral music , having produced choirs like Anastasia , Lik and Don Choristers .
Rostov Oblast is a region of Russia , which contains the city of Rostov - on - Don .