Just coming back from holidays I have heard of the sad news about Ike. I have just quickly updated my site's page:
and included some audio goodees. More to come.
Isaac Hayes was actually the 5th MG's IMHO.
The tracks he has posted are as follows:
Shaft OST recording session (unissued)
Volt V-129 B Side - The Big Dipper by Sir Isaac & the Do-Dads (unreissued
San American 950 A side - Sweet Temptation (unreissued)
Isaac Hayes interview - 1971 (from Stax promo record, unreissued)