The rolling tumble is a rare manoeuvre to see, if you can master this then you will be one step ahead of the rest! If you like my work then please think about making a donation
After you master the previous sections you can start to really push your flying to the limits with these advanced tutorials. These manoeuvres are easier to learn with large aircraft, I am using the Extreme Flight Yak 54 88" with a DA50cc.
Blender / Flatspins
Knife Edge Spin
8 Point Roll