This is an interesting and enlightening digital artifact. The introduction alone is worth a listen:
In 1969, Hillary Rodham, at age 21, was the first student ever to give a commencement speech at Wellesley College, and the college has just released excerpts of it. I would not have recognized her voice, which was higher-pitched and had a faster rhythm, but she had the same intensity and self-assuredness then as she does now.