When you go to Neil Young's website, neilyoung.com, there is a protest song list of about 3,000 songs. I have 2 songs that have reached the Top Twenty at #12 and #13 .
AOL Can Go and Tank Tomorrow, and Peace Sign
Here is the link. http://www.neilyoung.com/lwwtoday/lwwsongspage.html
(editor of the 22 year old zine Musea)