Катюша - Katyusha but Bulgarian (Български Език)

Katyusha has been one of the best-known Russian-language World War II folksy songs all over the world.
Bulgarian arrangement: band 'Panterkite' (Пантерките), 2004
Music: Matvey Blanter (Матве́й Бла́нтер), 1938.
Background credit: 'Victory Day', by S. Abramov (1999) on Картины о Великой Отечественной войне (part 2)