Complex sentence: This passage is often overlooked, as it is brief, located at the very end of the introduction and even indicated by Caccini as a "note," an aside or addendum to the main purpose.
Split into simpler sentences: This passage is often overlooked, because it is brief, and located at the very end of the introduction. It is even indicated by Caccini as a "note"; an aside or addendum to the main purpose.