Andrew Carnegie’s “greatest gift to Pittsburgh,” the Carnegie Music Hall of Oakland, is just steps away from Pitt’s campus and has recently reopened after renovations to replace seats, add air conditioning and to make the space compliant with the Americans with Disabilities Act.

On any other stage on Pitt’s campus, Senior Vice Chancellor Kathy Humphrey might have been the most remarkable guest to sing the blues, but Saturday night was the exception. Humphrey joined a cast of...