“Sorry I’m late, a month late,” exclaimed John Mayer as he took the stage last night at The Masonic for Radio Alice 97.3 annual Alice in Winterland. The acoustic performance took place a month late due to an emergency appendectomy right before the show’s regularly scheduled performance. San Francisco resident Matt Nathanson opened up the show. Due to scheduling conflicts, Maren Morris was unable to fill the rescheduled performance. All photography by Christopher Victorio for SF Weekly.