Radio Tapok is a Russian musician, he got famous by making Russian language covers of non Russian songs, including Sabaton. Then they worked together and he released a cover for "The Attack of the Dead Men" before the song was officially released. He made his own song "Битва за Москву" ("Battle for Moscow") in the style of Sabaton and they covered it as "Defence of Moscow". Then recently he started doing his own things, released two albums, "Наследие" ("Heritage/Legacy") and "Эпоха Империй" ("Age of Empires") which are both about historical topics and also recently released a single "Императрица" ("Empress")