Alfredo De Angelis, born on November 2, 1910, in Adrogué, Buenos Aires, Argentina, was a prominent figure in the world of tango music. As a pianist, composer, and orchestra director, De Angelis made significant contributions to the Grand Era of Argentine tango. He began his musical journey by accompanying singer Juan Giliberti and later joined Anselmo Aieta's orchestra as a pianist. Over the years, he collaborated with various musicians until he formed his own orchestra in 1940.

De Angelis's orchestra debuted on March 20, 1941, at the café Marzotto in Buenos Aires, quickly gaining popularity. Known for its simple and popular style, the orchestra focused on tango dancing, which resonated with audiences. De Angelis was adept at selecting talented singers, including Floreal Ruiz, Carlos Dante, Julio Martel, Oscar Larroca, and Roberto Mancini, among others.

Throughout his career, De Angelis remained with the Odeon Records label, recording 486 tracks from 1943 to 1977. His compositions include "El taladro," "Pregonera," "Pastora," and "Remolino," showcasing his dedication to traditional tango. Despite not achieving the same level of fame as contemporaries like Troilo or Pugliese, De Angelis's work was commercially successful and beloved by tango enthusiasts. He passed away on March 31, 1992, leaving behind a legacy of harmonious and rhythmic tango music.