the title says conservative music, not musician
a much smaller pool
James Brown has a number of self-reliance and pro-America songs.
JAMES BROWN I Don’t Want Nobody To Give Me Nothing 1969
http://www.youtube.com/watch?v=fqulmEzz5nw
James Brown - America Is My Home (talks of the opportunities and ability to move upward that can be found no place else in the world)
“I’m sorry for the man who doesn’t like this land”
http://www.youtube.com/watch?v=252TrvSPoJg
James Brown - Living in America
http://www.youtube.com/watch?v=c5BL4RNFr58