Below are articles on some of the most famous Tango orchestras including biographies, videos and their most popular songs:

• Juan d'Arienzo (Short)
  Juan d’Arienzo (December 14, 1900-January 14, 1976) was an Argentine tango musician, also known as “El Rey del Compas” (King of the Beat). D’Arienzo was born on 14 December 1900 in the Buenos Aires neighborhood of Balvanera.
• Juan D'Arienzo: A Biography (Long)
  Juan d’Arienzo (December 14, 1900-January 14, 1976) was a violinist, pianist, band leader and composer. His nickname was “El Rey del Compas” (The King of the Beat). D’Arienzo was born on 14 December 1900 in the Buenos Aires neighborhood of Balvanera. His orchestra is considered one of the "Big Four" orchestras of Argentine tango.
• Carlos di Sarli
  Carlos di Sarli (January 7, 1903 – January 12, 1960) was an Argentine tango musician, orchestra leader, composer and pianist. He was born in the town of Bahía Blanca and later wrote one of the most famous tangos of all time of the same name.
• Osvaldo Pugliese
  Osvaldo Pedro Pugliese (Buenos Aires, December 2, 1905 – July 25, 1995) was an orchestra leader, composer and pianist. He was known for his dramatic and passionate arrangements while still keeping the strong walking beat of salon tango.