Danish composer Jacob Gade (1879-1963) is best known for his tango "Jalousie 'Tango Tzigane'," a global popular music phenomenon since its 1925 premiere. A violinist and conductor, Gade's extensive career encompassed silent film scores, theater music, and leading orchestras in Copenhagen. His enduring tango remains a staple in popular and jazz music, showcasing his melodic brilliance and lasting impact on the genre.