Did you know that Lauryn Hill popped up unannounced this weekend at Michael J. Fox's charity event, A Funny Thing Happened on the Way to Cure Parkinson's, jumping onstage with the Roots to cover Bob Marley's "Is This Love"? You didn't? Well, consider yourself informed: Along with photos from shows by Nas, Yeasayer, Taj Mahal, Patti Smith, Cyndi Lauper, Beck, Devendra Banhart, Pete Rock, Cee Lo, J. Cole, Ariel Pink's Haunted Graffiti, Os Mutantes, Fist Full of Mercy, and Azure Ray in our latest concert roundup, Vulture's got a nice shot of Miss Hill doing her thing. Click through, and enjoy.