Rodrigo Alejandro Bueno, also known by his stage name Rodrigo or his nickname "El Potro", was an Argentine singer of cuarteto music. He is widely regarded as the best, most famous and most influential singer in the history of the quartet. Bueno's style was marked by his on-stage energy and charisma. His short, dyed hair and casual clothes differed from typical cuarteto singers with strident colors and long curly hair. During his career, Bueno expanded cuarteto music to the Argentine national scene, remaining one of the main figures of the genre.
The son of Eduardo Alberto Bueno, a record shop owner and music producer, and Beatriz Olave, a songwriter and newsstand owner, Rodrigo Bueno was born into the cuarteto musical scene in Córdoba, Argentina. He first appeared on television at the age of two, on the show Fiesta de Cuarteto, along with family friend Juan Carlos "La Mona" Jiménez. With the help of his father, he recorded an album of children's songs, Disco Baby, at the age of five. During his preteen years he informally joined the local band Chébere during live performances. He dropped out of school at the age of twelve and successfully auditioned for the band Manto Negro.
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