Who knows the names of the songs about the Kent state shootings?

Question

There are two songs about the Kent State shootings from the sixties, one is by CSN but whats the other one?

Answer 1

What's that sound by Buffalo Springfield recorded in the 70's

Answer 2

Ohio

Answer 3

The shooting was such a major event so many songs were written and performed about it.  Check out a list of them at Wikipedia:

http://en.wikipedia.org/wiki/Kent_State_...