Jairo [ˈxajɾo], pseudonym of Mario Rubén González Pierotti (born June 16, 1949), is an Argentine singer-songwriter and composer.

[1][2] Among its most widespread songs they are: «Tu alma golondrina», «Por si tú quieres saber», «Tristezas», «De pronto sucedió», «El valle y el volcán», «Si vuelves será cansancio», «Amigos míos me enamoré», «Hoy dejó la ciudad», «Nos verán llegar», «Revólver» and «Me encanta esta hora del día».

His beginnings as a singer were at school, where the band "The Twisters Boys" joined and finally adopted the name Marito González in game shows media hometown.

Towards the end of the military dictatorship, he returned to Argentina and gave a recital on the Avenida 9 de Julio, where he played to 1.2 million people their version of «We Shall Overcome».

[1] Throughout his career, he shared scenarios both their country and hospitalization stages with artists such as: Ana Belén, Ariel Ramírez, Eladia Blázquez, Graciela Borges, Jaime Torres, Juan Carlos Baglietto, La Mona Jiménez, Lito Vitale, Mercedes Sosa, Pedro Aznar, Piero and Víctor Heredia.