Well spotted Carpu.
We tend to think of the Soviet Union being completely at odds with West, but there was a lot of seaman picking-up the clobber, jazz and rock and roll vibes on their travels. Italian and French cinema was extremely popular and condoned by the regime. Even certain American films were shown in cinemas, particularly those with biting social commentry.
It's only natural that Ivy influences would seep into ports like Odessa and Leningrad had a major trad jazz scene with Ellingtonia and Armstrong being the sought after albums.