Observer Editor
“Mendelssohn Mystery Madness”: Yotonix (U-M Activities Center).
This high-energy annual collaborative concert of U-M student groups features the glowstick dance ensemble Photonix and the Chinese yoyo troupe Revolution! 7 p.m., Lydia Mendelssohn Theatre, 911 North University. Tickets $5 in advance at muto.umich.edu, $7 at the door. 763–8587.
