Comparison of flute sounds. Material and shape, Schwedler and conical ring key Boehm

A comparison of the sound of the material or bore form.
1. Schwedler flute(0:16), 2. Conical coconut wood bore Boehm system (3:12), 3.Granadilla wood flute (6:06), 4. German silver (9:01), 5. Silver(11:57), 6. 24K gold(14:48)