Carlos César Lenzi was a notable Uruguayan poet, lyricist, playwright, and diplomat, born on November 3, 1895, in Montevideo, Uruguay. He passed away on June 10, 1963, in Buenos Aires, Argentina. Lenzi's career spanned various creative fields, but he is most renowned for his contributions to the world of tango music.

Lenzi's foray into the arts began with theater. His first play, "El domador," was premiered in 1918 by the actress Blanca Podestá. Over the years, he wrote around 60 plays, often in collaboration with fellow Uruguayan author Ángel Curotto. Some of his notable works include "La noche nupcial" (1926), "Yo, tú y él" (1926), "El escándalo del día" (1928), and "Yo te amo" (1940), the latter premiered by Lola Membrives.

However, Lenzi's lasting legacy is tied to the tango genre. In 1925, he penned the lyrics for "A media luz," a tango that became immensely popular. The music was composed by Edgardo Donato, and the song was first performed by Lucy Clory at the Catalunya Theater in Montevideo. The tango gained international acclaim and was recorded by various artists, including the legendary Carlos Gardel, who was a close friend of Lenzi's.

Following the success of "A media luz," Lenzi wrote other tangos, such as "En voz baja" with music by Adolfo Mondino, "Adiós arrabal" with music by Juan Baüer, "Mimí se fue" with music by Luis Viapiana, "Noches de Montmartre" with music by Manuel Pizarro, and "Araca París" with music by Ramón Collazo. The latter two were written during Lenzi's stay in Paris, reflecting his international experiences and refined spirit.

In addition to his work in theater and music, Lenzi was involved in journalism and diplomacy, serving in the foreign service of Uruguay. He also directed the Uruguayan magazine Tabaré and published a book of verses titled "Poemas" in 1923.

Carlos César Lenzi's contributions to tango and theater have left an indelible mark on the cultural landscape of Uruguay and Argentina, with "A media luz" remaining a timeless classic in the tango repertoire.