Bach: New and Old
In particular, listen to the intervals, and note the different character on the old flute vs the new.
Maybe there's a reason they tuned the old flutes like they did? ;-)
All Instruments' Comparison Recordings (MP3 format)
The reel "Swinging on a Gate" is played on all my flutes:
And to keep things interesting, here's the same reel on my recorders:
And the whistles: