Michigan head football coach Jim Harbaugh on stage with other U-M coaches and former athletes during True Blue! A Tribute to Michigan. (Photo by Roger Hart, Michigan Photography)

CNN medical correspondent and U-M alumnus Sanjay Gupta with Karin Muraszko, Julian T. Hoff M.D. Professor of Neurosurgery and chair of the Department of Neurosurgery. (Photo by Scott C.Soderberg, Michigan Photography)

TV and film actor Jacqueline Toboni, and TV and stage actor Darren Criss, both U-M alumni, were part of the True Blue! event. (Photo by Roger Hart, Michigan Photography)

True Blue! included a tribute to activism at U-M. (Photo by Roger Hart, Michigan Photography)

Mike Hess, chief of space medicine operations for NASA, wears a space suit glove during True Blue! In the background, from left, are fellow U-M alumni Steve Walton, Blue Origin propulsion engineer; Kiko Dontchev, engineer for SpaceX, and Alfred Worden, engineer and command module pilot of Apollo 15. (Photo by Roger Hart, Michigan Photography)

The Friars and acting majors from the Department of Theatre & Drama ​perform “In the Still of the Night.” (Photo by Roger Hart, Michigan Photography)