Anyway, I'll get some photos and video later, and thanks again for the advice!
5 days later...
72 bass Guerrini 'Ramona IV':

LMMM is a step up from my Hohner LMM:

While for the sort of music I play, 72 is a good compromise between weight and bass button count:

I could not resist the matching red straps with red bellows paper:
