Other threads have mentioned arrangements for traditional tunes/songs being copyright. I agree that the work of the arranger or performer should be acknowledged and rewarded but what a constitutes an "arrangement" of a traditional piece. How different does it have to be to other arrangements?
I'm sorry if the question is clumsy. What prompted it was the thought of infringing copyright.
Say for instance I listen to a track on a CD. I try to play it. Now my playing style is very simple (it has to be) and my voice is poor, so although I am inspired by the arrangement on the CD what comes from me is different. How different can it be and still be the same arrangement?