Paul didn’t plan to release an album in 2020, but in the isolation of “Rockdown,” he soon found himself fleshing out some existing musical sketches and creating even more new ones. In keeping with 'McCartney' & 'McCartney II’s' photography by Linda McCartney, the principal photos for III were shot by Paul’s daughter Mary McCartney—with additional photography by Paul’s nephew Sonny McCartney as well as photos Paul took on his phone (it’s a family affair).