<sigh>
"Some overdubbed horns were later added while the album was being mixed, which were eventually subtracted from the bonus tracks on the CD version."
"In late 2004 Al Kooper released this statement:
“ To the best of my knowledge, based on an unnamed source, the new head of SONY/BMG shut down the 5.1 SACD department and let everyone go. A year and a half ago I remixed Super Session and Child Is Father To The Man for them in 5.1 SACD. They both came out incredible and so I mastered them with Bob Ludwig.Now it seems they will languish on the shelves under the current administration of SONY/BMG.,........Typical, in soooo many ways." <3> ”
The reason for this is that a legal challenge has been made that Super Audio disks contain up to three complete recordings of a work; one in the Hybrid CD compatible layer and two in the SACD layer, a stereo version and a possible multiple channel version.
Of course, if this is true, record companies could be legally liable for up to three sets of royalties. Since this would make the record much more expensive, it appears that most companies are avoiding this issue, if there is any contention at all, by simply cancelling the release of the SACD version."
http://en.wikipedia.org/wiki/Super_Session#2003_Bonus_Tracks