A crane lifts new insulation onto the roof at the Blanche M. Touhill Performing Arts Center last week at the University of Missouri–St. Louis.

A crane lifts new insulation onto the roof at the Blanche M. Touhill Performing Arts Center last week at the University of Missouri–St. Louis.
A crane lifts new insulation onto the roof at the Blanche M. Touhill Performing Arts Center last week at the University of Missouri–St. Louis.
A crane lifts new insulation onto the roof at the Blanche M. Touhill Performing Arts Center last week at the University of Missouri–St. Louis.
Music students in Assistant Professor Bethany Worrell’s class built a larger-than-life model of the larynx and demonstrated how it works to produce sounds.