Hajduk is a traditional Polish song that is performed in the original key of C major. The origin and history of the music are deeply rooted in Polish folklore, with its roots dating back to the 18th century. The song has been performed by numerous traditional Polish folk ensembles and singers over the years, making it a beloved piece in the country's musical heritage. Although the original composer of the song remains unknown, it is widely recognized as a symbol of Polish cultural identity. As for some trivia, the term "hajduk" refers to a type of warrior or brigand in the Balkan region, known for their daring and resistance against oppression. This dynamic and spirited melody of Hajduk portrays a sense of heroism and adventure, with lively rhythms and captivating melodies that capture the essence of Polish folk music.