BUENOS AIRES, Argentina — Argentine singer Sandro, whose gyrating pelvis and romantic ballads brought comparisons to Elvis Presley and made him the first Latin American to sing in Madison Square Garden, died Monday of complications from heart and lung transplant surgery. He was 64. Sandro, who recorded 52 albums, acted in 16 movies and was awarded a Latin Grammy for career achievement in 2005, suffered from chronic lung disease that led to the Nov.