José Gervasio Viera Rodríguez (27 February 1948 – 28 October 1990), also simply known as Gervasio, was an Uruguayan singer who achieved popularity in Chile in 1983, when he won the international competition of the Viña del Mar International Song Festival, with the song "Alma, Corazón y Pan". One of Gervasio's most famous compositions is "Con Una Pala y Un Sombrero", which he wrote in honour of his father, who died of lung cancer.