In addition to the hourly chimes, the carillon can be played with a keyboard in the music department. At least once a day, and sometimes 2-3 times, Dr. Bruce Miller sits down at the keyboard at completely random times and plays 15-20 minute sets that are pumped across the campus.
One of my fondest memories on campus is sitting in a particularly dull lecture, when the bells begin to chime. The professor begins to rant about how they always disrupt his class, and how they should be stopped. But no one was listening, for his entire class had become enthralled by the bells.
I love my campus.