“So close,” Paul McCartney joked to the audience, who sang along to “Something” at his show on Saturday at the Fonda Theatre in Hollywood. It was one of a handful of songs that differed from their appearance the night before at the venue. “This ukulele was given to me by George,” he explained, before launching into the George Harrison-penned Beatles tune with a strutty romp, later switching to acoustic guitar to round out the song. McCartney’s show on Saturday was the second of a two-night