I always liked the Blind Faith studio album, and this song in particular. Here’s Winwood and Clapton live in 2007: http://youtu.be/VT-SFgkVlno Here’s a live version from London’s Hyde Park in 1969. http://www.youtube.com/watch?v=mUW1SGF7bR8 Here’s the album version with mucho acoustico. And here’s an interesting alternate studio take with electric guitar throughout.