Madonna performs on the Madame X tour in this undated photo. Courtesy: Stufish. SAN FRANCISCO — “Who is Madame X?” Madonna asked halfway into her two-and-a-half hour show Tuesday at Golden Gate Theatre, the final concert of a three-date residency. The show was just as much a performance art piece…

Updated Oct. 4: Madonna‘s San Francisco’s Madame X tour stops at the Golden Gate Theatre will begin later than previously announced, with the Oct. 31 performance rescheduled for Nov. 5. That means the Nov. 2 show will now be the first one, while the Nov. 4 show will go…

Madonna, “Madame X.” Ever since she stepped into the spotlight in the ’80s, Madonna has been putting out iconic pop anthems that transcend time. She’s reinvented herself many times, so it’s surprising that her newest album Madame X falls flat in comparison. The album lacks a central theme, leading to…