The singer of Wings' song "Live and Let Die" was Paul McCartney. He wrote the song for the James Bond film of the same name and also performed it with his band, Wings, in 1973. The song went on to become one of the most iconic Bond themes of all time, with its explosive rock sound and memorable chorus. McCartney's vocals perfectly captured the excitement and danger of the film's espionage plot, making "Live and Let Die" one of his most enduring hits.