Brazilian singer Gal Costa, one of the most influential artists in Brazil’s Tropicalia movement of the 1960s, died on Wednesday.“It is with deep sadness and a broken heart that we inform the death of singer Gal Costa this Wednesday morning, November 9th, in São Paulo.The singer had been recovering from a nasal surgical procedure over the last three weeks, according to a press release, CNN Brasil reported.“Gal Costa was one of the world’s greatest singers and one of our main artists who brought the name and sounds of Brazil to the entire planet,” Brazil’s President-elect Luiz Inacio Lula da Silva wrote on Twitter.The soprano has been a major influence among younger singers and in 2011 was awarded a Latin Grammy Lifetime Achievement Award."