I did promise you some really Russian music, but you'll have to wait a bit, my music-store has a problem.
But: I received some film from Украiна, and that's not Russia of course, but better than Lehar (below).
On the stamps a Bandoura, never heard of it, looks like a Zither to me. The band is called Дзвiнга (Swing!)(?)
and look what Luciano Carvari's photographer did to her!