404. That’s an error.

The requested URL /translate_c?depth=1&langpair=en%7Ces&rurl=translate.google.com&twu=1&u=http://ocw.mit.edu/courses/music-and-theater-arts/&usg=ALkJrhghW4AyiO9l7w7dWbD041DBlaLa9Q was not found on this server. That’s all we know.