"Katyusha" is one of the most famous Soviet songs of World War II, composed in 1938 by Matvey Blanter with lyrics by Mikhail Isakovsky. The song tells of a girl longing for her beloved who is away on military service. During the war, the song gained immense popularity and became associated with the BM-8, BM-13, and BM-31 multiple rocket launchers nicknamed "Katyusha" by Soviet soldiers. The melody was also adopted by Italian partisans who created their own version titled "Fischia il vento."