Sergio Cammariere sings "L'amore non si spiega" with Brazilian singer Gal Costa during the "Festival di Sanremo" Italian song contest, in San Remo, Italy, on Feb. 28, 2008. Antonio Calanni/AP Photo
RIO DE JANEIRO—Singer Gal Costa, an icon in the Tropicalia and Brazilian popular music movements who enjoyed a nearly six-decade career, died on Wednesday. She was 77.
Her death was confirmed by a press representative, who provided no further information.
