Complex sentence: There is much confusion as to nomenclature of the various instruments in different languages, particularly given the debate as to whether the saxhorn is truly a new instrument or just a development of members of the previously existing cornet and tuba families.
Split into simpler sentences: There is much confusion as to nomenclature of the various instruments in different languages. This has been exacerbated by the debate as to whether the saxhorn family was truly new, or rather a development of members of the previously existing cornet and tuba families.