A change is gonna come.

There are very few artists who can do justice to a Sam Cooke original.

Listen here.
http://www.last.fm/music/Sam+Cooke/_/A+Change+Is+Gonna+Come

I've never been a Seal fan,but his version is brilliant.

http://uk.youtube.com/watch?v=_XjLafQUyUY
Watch here.