While this picture features a bus advertising Chatham College, the students on the bus are members of the Chatham College Choir, heading out on tour! Chatham has offered musical coursework and programming since its founding in 1869, and many of Chatham's traditions include music in some way, shape or form. The choir, in particular, went on a tour of Europe in the 1970s and frequently traveled to showcase their talents.
For more information about the Chatham University Music Department, see the collection's finding aid here.
For more images of the Chatham University Choir, and people who contributed to its development, click here.