Complex sentence: The oldest extant Native American flute was collected by the Italian adventurer Giacomo Costantino Beltrami in 1823 on his search for the headwaters of the Mississippi River, and is now in the collection of the Museo Civico di Scienze Naturali in Bergamo, Italy.
Split into simpler sentences: The oldest extant Native American flute was collected by the Italian adventurer Giacomo Costantino Beltrami in 1823 on his search for the headwaters of the Mississippi River. It is now in the collection of the Museo Civico di Scienze Naturali in Bergamo, Italy.