These are some neat lectures on youtube that might help people understand a bit more about the sources, style and training in HEMA.
Keith Farrel lecture on the concept of style in Historic European Martial Arts
Michael Chidester lecture on system vs syllabus
Michael Chidester on the Flower of battle.
(I am not a Fiore guy but still found this interesting)
Jake Norwood lecture on Lietchenauer’s approach to the fight
Dr. Forgeng on Joachim Meyer’s “The Art of Combat”