For those studying music theory in the English-speaking world, A-G is the norm. (German has H as well.) That being said, I've only ever met musicians from the commonwealth... I will not comment on other languages and whether or not they use solfège since I've no experience in that area.
For those studying music theory in the English-speaking world, A-G is the norm. (German has H as well.) That being said, I've only ever met musicians from the commonwealth... I will not comment on other languages and whether or not they use solfège since I've no experience in that area.