for commentary versions links below:

English.Version.youtube https://youtu.be/eEh8j0WLoFQ
German(Deutsche)Version.Youtubehttps://youtu.be/PLJDaCzG4y8
English.Version.dailymotion https://dai.ly/k2FpjjZH09rAMojdkbQ
German(Deutsche)Version.dailymotion http://dai.ly/k1QLiWQYMbm0fCjdlGa

For more information on this topic:

Phelan Porteous https://youtu.be/tI2fJCzk-X4?list=PL3XCSTT5utputyx8D95SWVpAZUekGWsud

Oliver Harper https://youtu.be/IdjYgCMMVTs

these guys are the best. check them out!