I think DMT and tobacco are natural allies...
This is obvious to anyone who has spent time with shamans in the Amazon although daily addiction is a very bad thing.
Smoking all-natural or ogranic tobacco with DMT would be optimal.
Mixing with shisha sounds VERY interesting.
I would stick to a very juicy brand of shisha, like Al Waha.
The dry stuff burns fast + harsh.
Al Waha, because of the excess syrup\molasses goo burns REAL slow, REAL thick and REAL long lasting. Plus the flavor lasts way longer too compared to most brands.
It seems like mixing the DMT\Changa into the gooey shisha could work well. The alkaloids would dissolve into the goo and could be mixed around evenly.
A lot would get "wasted" but as long as you load a thick and heavy bowl it should be good enough to pass around the group and have everyone enter an experience.
If you wanted to get REAL crazy you could try mixing the DMT in with the goo of the bottom half of the bowl and mix in the MAOI extract into the top part of the bowl. If you went strong on the MAOI that would burn better + first then it would start to vaporize the DMT.
Great idea!
-Eternally Romping the Astral Savannahlands-